ADRIAN, Fiki; DISWANDI. The Impact of Green Economy Initiatives at Universities on Student Expenditures: A Case Study of the Gridwiz E-Bike Program and Water Refill Station at Mataram University. Al-Kharaj: Journal of Islamic Economic and Business, [S. l.], v. 8, n. 2, 2026. DOI: 10.24256/kharaj.v8i2.9800. Disponível em: https://ejournal.iainpalopo.ac.id/index.php/alkharaj/article/view/9800. Acesso em: 13 may. 2026.