Ardiantama, Diky, and Gusman Nawanir. “Waste Management in Higher Education Institutions: A Bibliometric Analysis of Past and Future Research Trends”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE) 8, no. 2 (March 31, 2025): 4273-4289. Accessed April 22, 2026. https://e-journal.uac.ac.id/index.php/iijse/article/view/6521.