WIGUNA, E.; UTAMI, Y. The Analysis of Productive Waqf Development in PKU Muhammadiyah Maternal and Pediatric Hospital Kotagede. Journal of Economics Research and Social Sciences, [S. l.], v. 2, n. 2, p. 94–101, 2018. DOI: 10.18196/jerss.v2i2.9084. Disponível em: https://journal.umy.ac.id/index.php/jerss/article/view/9084. Acesso em: 30 apr. 2025.