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The main objective of this article was to identify the conditions for the use of smartphones and mobile applications in Poland in the second half of 2018. The scope of the present analysis was limited to a selected sample of more than 470 respondents, and it examined the group of the most active users of smartphones and mobile applications. The author adopted the CAWI (computer associated web interview) method, which was previously verified by a randomly selected pilot sample, in his study. The obtained results were compared with the findings of other studies. They indicated that users of smartphones and mobile applications in Poland do not differ in their assessments from users in Europe and around the world. In this context, the key implication for researchers is the identified level of development of the use of smartphones and mobile applications in Poland at the end of 2018. The main limitation of the research was the selection of the research sample, which consisted only of members of the academic community. The scope of this article aimed to fill a gap in terms of the quantitative and qualitative methods that are applied to examine the use of mobile devices and mobile software. At the same time, this study creates the foundations for further research on intercultural differences. It is important to note that the present research sample needs to be extended beyond the academic community for the research results to be fully generalized.

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The main aim of this article was to test the authors’ proprietary method (i.e., the conversion method applied to evaluate e-banking services that support sustainable development goals in households, communities, and society). The authors’ conversion method can be applied with the aim of maintaining a balance between households, producers, and public administration services in line with the principles of sustainable development of the information society in Poland. To achieve this goal, the authors identified the differences between the results obtained using the conversion method and the results produced by other methods such as TOPSIS, Promethee II, and PROSA involving the same group of respondents. A hypothesis was made about the existence of significant differences in the results obtained as part of the studies. The research was carried out on a sample of nearly 830 ratings concerning the 27 most popular electronic banks in Poland. As part of the survey, the respondents assessed 18 characteristics (attributes) of the selected banks using a simplified Likert scale. The study was conducted during the pandemic in Poland in 2020. The authors compared the results achieved in the case of the TOPSIS, Promethee II, and PROSA methods and the ones obtained with the application of the conversion method. Then, the ratings of the e-banking websites were arranged in descending order, and the distances between the positions in the rankings obtained by the conversion method and other methods were calculated. In addition, the R2 correlation coefficients were calculated for all combinations of the results received using individual methods. The results showed the greatest differences both in the absolute distances between the positions obtained in the ranking and the lowest value of the R2 correlation coefficient in the case of the conversion method in relation to the other methods. The limitation of the present research resulted from the fact that the study sample included respondents who were all members of the academic environment. The students analyzed in the study were part of a group supporting globalization processes where e-business solutions are widely used. However, the purchases of goods and services both local and foreign made by this group were often limited in scope and value due to a lack of funds. The research results indicate a potential need for improvement of the conversion method.

In this publication the author tries to demonstrate and analyse the relationship between the ideology ("pure" theory), and theoretical (but resulting from practical experience) and commercial methodologies of IT projects' management. The author also seeks to answer the question: whether, how, why and in what ways the development of IT systems supporting management and their multi-dimensional integration took place. The cognitive aim was:-the analysis of the basis needed to understand the project and the process as well as the differences and similarities in managing them, This book is a monograph intended not only for academic instructors and students of computer science for economics. The publication should be interesting to both professional and non-professional readers, also those from non-academic circles. This book may be a valuable source of knowledge and an ideological guide in the daily work for the business people involved in project management. For the managers who have occasional contact with 1.1. Evolution of the notions and concepts of project management 15 of processes-these are all processes that can be described as non-routine (change-directed) ones, innovative, pragmatic, burdened with high risk and unique (rseef.: Figure 1). This is due to specific similarities-both activities are carried out by selected teams by way of planning, controlling, monitoring particular actions, determined by specific resources limited in time. Enterprise-all activities are carried out according to the adopted plan Program-combination, a collection of projects and processes Process-operation within an enterprise, usually repetitive

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