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This qualitative research intended to acknowledge the application of “green office concept” at Housekeeping Department of Ministry of Health of Indonesia. The researcher captured the data from the research field factually. Data gathered from the responsible staffs purposively, data collection methods used were moderate participant observation, indepth interview, and document analysis. The data validated by technique triangulation and resource triangulation.The qualitative research resultshowed that (1) the staffs have moderate commitment for “green office”behavior. As showed by the paper saving, electricity saving, water saving, waste management, greening, cleanliness, and room’s air conditioning; (2) Eco – friendly office technology applied by using information technology system as electronic mail, electronic filling system and web based communication group.(3) The office physical building design suitable for naturally lighting design with lights’ placement grouping system, and also considers building green coefficient.(4) Vehicle cleaning and watering trees with condensed water were prohibited.(5) Office materials selected to minimize the use of papers and tissues. (6) Air conservation system applied by using centralized Air Conditioning System with average degree 24 – 25 celcius. (7) Airhumidity about 55% with no smoking rule. (8) Electric saving lights used by grouping system and also there was motion sensor lights at the bathroom; (9) flush the plant with Air Conditioning condensed water.

Today, the increasing use of technology and mobile applications in education was interesting. This research was a systematic review study with limited 30 articles from 2012 to 2021. It aims to answer research questions about what mobile devices used in learning and what learning approaches are used in science learning to improve higher-order thinking skill and communication skills. The findings of this study were in line with the research objectives: First, the most appropriate mobile devices used to achieve learning objectives are mobile phones, followed by PDAs, tablets, iPad, laptops, e-books, and iPods. Second, the learning approach used in science learning to improve higher-order thinking skills and communication skills are a collaborative learning approach, inquiry learning, projectbased learning, problem-based learning, game-based learning, and flipped classroom learning. It was hoped that this research can be an illustration for other researchers to create innovative learning approaches. Some research that can be done next based on this research is how mobile learning in social learning or comparing the two, further research on the most appropriate learning media for mobile learning, and research on the effectiveness of implementing approach strategies in mobile learning.

The teacher-made chemistry test must have a good quality, due to the decision taken from the tests has an impact on the students. Therefore, the purpose of the research is to explore the quality of teacher-made chemistry tests such as item fit and person fit, items difficulty, and test reliability. The sample consisted of 356 senior students from senior high schools in Yogyakarta that were selected by cluster random sampling technique. The research used the teacher-made chemistry test consisted of 40 multiple choice items which were collected using documentation technique. Data were analyzed with Rasch Model using Winsteps 3.73 version. The result showed that all items in the teacher-made chemical test were proven to have good quality (fit model, good item difficulty, and good test reliability). Moreover, 18 students were identified as misfit persons. From the findings, the test can be used to assess the students’ learning outcomes, especially for the try-out of the final exam in senior high school. Besides, the students identified as person misfit should be further examined and receive teachers’ guidance.

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<span lang="EN-US">This study analyzed the teachers' and parents' synergy in motivating children to take online learning at home during the COVID-19 pandemic in Indonesia. The research instrument consisted of 13 survey questions distributed via Google Form and succeeded in capturing 139 samples of parents of preschool and elementary school students spread across 17 provinces in Indonesia. Factor analysis and structural equation modeling (SEM) were conducted to analyze the instrument's validity and test hypotheses. The factor analysis results showed that the 13 instruments used showed an excellent correlation to confirm each variable's structure. The SEM analysis results showed that in the online learning system applied to preschool and elementary school children, parents play a significant role in the children's motivation to take online learning at home. Parents were also a positive and significant mediator variable in the teacher's role in increasing children's learning motivation. These results indicated that parents' and teachers' motivating children to carry out online learning at home during the COVID-19 pandemic in Indonesia must be established and continuously improved. The contribution was a reference for those who intend to develop an appropriate online learning system framework for preschool and elementary school children.</span>

Tourism is able to raise the level of the economy, but reflecting it on the Covid-19 pandemic, and its transition to the New Normal Era continues to be debated. Thus, this study aims to analyze the impact of tourism development on the economy of local communities in the new normal era. This study uses a phenomenological qualitative method. The sample came from the people of Tidung Island, the sample was selected using a purposive sampling technique. Collecting data with interview instruments, focus group discussions, document studies, and observation. Check the validity and reliability of the data using triangulation techniques. The data analysis is Interactive Model Analysis. The results show that the implications of new normal era tourism development are confirmed to have a positive impact on the economy and welfare of local communities.