THE PROBLEM OF COOPERATIVE MANAGEMENT DEVELOPMENT (A CASE STUDY AT AL-FATIMAH ISLAMIC BOARDING SCHOOL IN BOJONEGORO). International Conference On Social Science Education Proceeding, [S. l.], v. 1, p. 9–16, 2024. DOI: 10.20527/en7n1s04. Disponível em: https://ppjips.ulm.ac.id/index.php/icsse/article/view/2.. Acesso em: 7 jul. 2024.