PARTICIPATIVE MAINTENANCE OF UPSTREAM PUSUR SUB WATERSHED AREA THROUGH CONSERVATION FIELD SCHOOL IN MRIYAN VILLAGE MUSUK SUB DISTRICT BOYOLALI REGENCY. Islamic Studies Journal for Social Transformation, [S. l.], v. 1, n. 2, p. 98–111, 2019. DOI: 10.28918/isjoust.v1i2.11920. Disponível em: https://e-journal.uingusdur.ac.id/isjoust/article/view/11920. Acesso em: 19 jul. 2026.