Nadeak, M., Widodo, A. and Sihotang, M. 2026. Sustainable IT and Green Computing: A Qualitative Study on Eco-Friendly Practices in Tech Companies. Journal of Information Systems and Management (JISMA). 5, 1 (Jan. 2026), 15–23. DOI:https://doi.org/10.4444/jisma.v5i1.1241.