Grahani, Hedwig Ajeng, dan Seno Budhi Ajar. “URBAN AGRICULTURE AND INCOME CONTRIBUTION: EVIDENCE ACROSS HOUSEHOLD INCOME GROUPS IN YOGYAKARTA”. Jurnal Ilmiah Ekonomi Bisnis 30, no. 3 (Desember 31, 2025): 567–580. Diakses Juli 19, 2026. https://ejournal.gunadarma.ac.id/index.php/ekbis/article/view/27.