In learning mathematics online, parental involvement and student engagement are very crucial for student learning development. Therefore, the purpose of this study was to examine the relationship between parental involvement and student engagement in online mathematics learning. The participants of this study were 251 students in fourth and fifth grade from five elementary schools in Bantul, Yogyakarta, Indonesia. This study employed a cross-sectional survey to achieve the research objectives. The research instruments used in this study were two sets of questionnaires: on parental involvement and student engagement adapted from previous research. This study's findings indicated a significant relationship between parental involvement and student engagement in the online mathematics learning. The need to maximize the role of parents in learning mathematics online is the key to success in bringing students to be actively involved cognitively, socially, and emotionally.

Marine ecosystem development is a national agenda for implementing sustainable development goals. Utilization of mangrove forest areas into tourist areas. The use of mangrove forests as tourism in Tanjung Rejo Village reflects the development of sustainable marine ecosystems. This qualitative descriptive research aims to involve residents in managing mangrove forests in Tanjung Rejo Village. Research collection techniques used are observation, interviews, and documentation. Data were analyzed using interactive qualitative data analysis techniques to then draw conclusions deductively. Since 2022 Tanjung Rejo Village has become a Mangrove Tourism Village. The potential of mangroves is utilized to become various mangrove tour packages. The potential of mangroves is utilized to become various mangrove tour packages. Mangrove tourism is able to support mangrove ecosystems by involving village communities through creative economic groups of residents who are regularly fostered by multi-stakeholder partners. Awareness of maintaining the quality of marine ecosystems through mangroves, along with increasing the added value of mangroves economically and socially for village communities. Achieving a balance of environmental, economic and social development is the main emphasis point in achieving sustainable mangrove ecosystem development. Mangrove forest management shows the participatory culture of the residents.------------AbstrakPembangunan ekosistem laut menjadi agenda nasional implementasi tujuan pembangunan berkelanjutan. Pemanfaatan hutan mangrove menjadi wisata di Desa Tanjung Rejo mencerminkan pembangunan ekosistem laut berkelanjutan. Penelitian deskriptif kualitatif ini bertujuan untuk pelibatan warga dalam pengelolaan hutan mangrove di Desa Tanjung Rejo. Teknik pengumpulan penelitian yang digunakan adalah observasi, wawancara, dan dokumentasi. Data dianalisis menggunakan teknik analisis data kualitatif interaktif untuk kemudian dilakukan penarikan simpulan secara deduktif. Sejak 2022 Desa Tanjung Rejo menjadi Desa Wisata Mangrove. Potensi mangrove dimanfaatkan menjadi berbagai paket wisata mangrove. Wisata Mangrove mampu ekosistem mangrove dengan pelibatan masyarakat desa melalui kelompok-kelompok ekonomi kreatif warga yang secara berkala dibina oleh mitra multipihak. Kesadaran menjaga kualitas ekosistem laut melalui mangrove, seiring dengan peningkatan nilai tambah mangrove secara ekonomi dan sosial bagi masyarakat desa. Pencapaian kesimbangan pembangunan lingkungan, ekonomi dan sosial menjadi titik tekan utama pencapaian pembangunan ekosistem mangrove yang berkelanjutan. Pengelolaan hutan mangrove menunjukan budaya partisipatif warga.

Management Accounting Information System (MAIS) is an application used to connect, control, evaluate, and monitor employees in doing their work based on the standard and reach the work performance’s target. MAIS is a tool to identify, measure, collect, process, and interpret a company's information. It is also used as a medium to spread information and help the manager in the decision-making process. This study aims to know the effect of the business environment and organizational culture in hotels in Surabaya on the management accounting information system. Also, to analyse the moderation influence of gender, age, and job period in the business environment and organizational culture. The research results showed a positive influence between the business environment and organizational culture on MAIS and no influence on gender, age, and job period. The application of MAIS will be more effective if the environment and corporate culture are enhanced.

Penelitian ini menggunakan metode eksperimen kuantitatif. Data yang diperoleh oleh peneliti melalui angket, dan tes. Data tersebut diambil dari penelitian yang dilakukan di kelas IV SDIT Atssurayya Bekasi. Penelitian ini bertujuan untuk mengetahui pengaruh kecerdasan intrapersonal terhadap hasil belajar IPA pada siswa sekolah dasar di SDIT Atssurayya Bekasi. Penelitian kuantitatif dilakukan di Sekolah Dasar Islam Terpadu Atssurayya Bekasi dengan jumlah peserta didik sebanyak 750 siswa dan 51 tenaga pendidik serta beberapa staf dan karyawan. Penelitian di sekolah ini dilakukan dengan metode eksperimen yang dimana peneliti melakukan penelitian didua kelas yaitu, kelas eskperimen dan kelas kontrol dan kegiatan penelitian dimulai dari bulan Agustus sampai September 2021 dengan mendapatkan hasil penelitian, data-data yang dibutuhkan dan dokumentasi. Hasil penelitian yang telah dilakukan oleh peneliti dibuktikan dengan hasil analisis menggunakan uji-t diperoleh skor rata-rata postest kelas eksperimen 25, lebih tinggi dari skor rata-rata postest kelas control. Hasil uji statistik menunjukkan bahwa α = 0,05 diperoleh nilai    thitung  >  ttabel (2,400 > 2,093), hal ini menunjukkan maka ???????? ditolak dan ????1diterima. Dapat disumpulkan bahwa terdapat pengaruh kecerdasan intrapersonal terhadap hasil belajar IPA pada siswa kelas IV SDIT Atssurayya Bekasi sebesar 8,5% dan 91,5% dipengaruhi oleh faktor lain.