Coba jelasin “Pengantar Konsep E-Business”, 2002 dari Richardus Eko Indrajit dong

“Teknik Searching Efektif di Internet”, 2002

“Konsep Manajemen Supply Chain”, 2002

“E-Commerce: Kiat dan Strategi Bisnis di Dunia Maya”, 2001

“Pengantar Konsep Dasar Manajemen Sistem Informasi dan Teknologi Informasi”,  2002

“Kajian Strategis Analisa Cost-Benefit Investasi Teknologi Informasi”, 2004

Indrajit, R.E., Wibawa, B., Supratman, A. (2020). Portrait of Higher Education in the Covid-19 Period in a Digital Literacy Perspective: A Reflection on the Online Lecture Process Experience. The Fifth International Conference on Informatics and Computing.

Indrajit, R.E., Wibawa, B., Supratman, A. (2020). Research Spectrum Framework in the Field of Educational Technology. The Fifth International Conference on Informatics and Computing.

Indrajit, R.E., Wibawa, B., Supratman, A. (2020). University 4.0 in Developing Country: A Case of Indonesia. International Journal of Sociotechnology and Knowledge Development, vol 13(3)-July-September, 2021 issue.

Rozanda, N.E., Saide, S., Zulrahmadi, Z., Indrajit, R.E., Nurcahyo, G.W. (2019). Mapping analysis of student's core-competencies in university (Case: Department of Information System, State Islamic University of Sulthan Syarif Kasim Riau, Indonesia). Proceedings - International Joint Conference on Information, Media, and Engineering, IJCIME 2019.

Saide, S., Astuti, E.S., Indrajit, R.E., (...), Dewi, F., Herzavina, H. (2019). What we give, we get back: Investigating the dimensions that influence knowledge sharing on profit enterprise in Indonesia. Journal of Science and Technology Policy Management.

Saide, S., Indrajit, R.E., Trialih, R., Ramadhani, S., Najamuddin, N. (2019). A theoretical and empirical validation of information technology and path-goal leadership on knowledge creation in university: Leaders support and social media trend. Journal of Science and Technology Policy Management.

Indrajit, R.E., Saide, S., Trialih, R., Wei, H.-L., Herzavina, H. (2018). A Brief Review: The Roles in Triggering Knowledge Management Scheme Adoption to Increase Enterprise Performance. 9th International Conference on Information and Communication Technology Convergence: ICT Convergence Powered by Smart Intelligence, ICTC 2018.

Maita, I., Saide, Indrajit, R.E., Irmayani, A. (2018). User behavior analysis in academic information system using unified theory of acceptance and use of technology (UTAUT). ACM International Conference Proceeding Series.

Ramadhani, S., Saide, S., Indrajit, R.E.. (2018). Improving creativity of graphic design for deaf students using contextual teaching learning method (CTL). ACM International Conference Proceeding Series.

Saide, Trialih, R., Indrajit, R.E., (...), Fazri, P.N., Hafiza, W. (2018). The influence of information technology infrastructure and leadership style on knowledge management implementation. IEEE International Conference on Industrial Engineering and Engineering Management.

Indrajit, R.E. (2018). Information Technology Strategic Plan development methodology: Governing from the perspectives of enterprise architecture. Proceedings of the 2nd International Conference on Informatics and Computing, ICIC 2017.

Indrajit, R.E., Saide, Wahyuningsih, R., Tinaria, L. (2018). Implementation of paperless office in the classroom. Advances in Intelligent Systems and Computing.

Saide, Indrajit, R.E., Hafiza, W. (2017). Information technology and individual factors on knowledge sharing activities. 2nd International Conference on Knowledge Engineering and Applications, ICKEA 2017.

Indrajit, Richardus Eko, and K.C. Chan. (2005). The Value of ICT in Business. International Journal of Mechanical Engineering, Mechanical Magazines.

Indrajit, Richardus Eko, and Herman. (2004). The Development of Multi-Layer Map: the New Concept of Geographical Oriented Database for Location-Based Services. Proceeding of the New Technologies for the Information Society (ICENCO 2004), Egypt.

Li, J., Saide, S., Ismail, M.N., Indrajit, R.E. (2021) Exploring IT/IS proactive and knowledge transfer on enterprise digital business transformation (EDBT): a technology-knowledge perspective. Journal of Enterprise Information Management.

Rusdi, J.F., Richard Kodong, F., Indrajit, R.E., ...Abdurrohman,, Marco, R.. (2020). Student Attendance using Face Recognition Technology. 2020 2nd International Conference on Cybernetics and Intelligent System, ICORIS 2020.

Muwardi, D., Saide, S., Eko Indrajit, R., .Siti Astuti, E., Herzavina, H. (2020). Intangible resources and institution performance: The concern of intellectual capital, employee performance, job satisfaction, and its impact on organization performance. International Journal of Innovation Management, 2020, 24(5), 2150009.

Indrajit, R., L. Wasitova, Marsetio, P. Widodo, and R.A.G. Gultom. (2020). Defense Science Philosophy in the Perspective of Technological Risk: The Rising of Cyber Dependency in the Era of Industrial Revolution 4.0. International Journal of Engineering Research and Development, Volume 16, Issue 12, pp01–05.

Indrajit, R., L. Wasitova, Marsetio, P. Widodo, and R.A.G. Gultom. (2020). Critical Analysis of the Philosophy of Defense in Dealing with the Impact of Climate Change Risks. International Journal of Engineering Research and Development, Volume 16, Issue 12, pp06–11.

Indrajit, R., L. Wasitova, Marsetio, P. Widodo, and R.A.G. Gultom. (2020). The Use of Analytics Hierarchical Process for Determining Long-Term National Security Strategy of Indonesia. International Journal of Engineering Research and Development, Volume 16, Issue 12, pp21–31.