SERVICE IMPROVEMENT AND SUSTAINABILITY STRATEGY OF WATER SUPPLY AND SANITATION COMMUNITY-BASED (PAMSIMAS) IN INDRAGIRI HULU REGENCY. Jurnal Niara, [S. l.], v. 10, n. 2, p. 87–95, 2018. DOI: 10.31849/nia.v10i2.1906. Disponível em: https://journal.unilak.ac.id/index.php/nia/article/view/1906. Acesso em: 6 apr. 2026.