LIMBONG, Y. M.; SIHOMBING, R. S. . M. COLLABORATIVE GOVERNANCE IN OVERCOMING LAKE TOBA POLLUTION DUE TO FLOATING NEEDLE CANES (CASE STUDY IN SILALAHI III VILLAGE SILAHISABUNGAN DISTRICT DAIRI REGENCY). Indonesian Journal of Social Sciences, Policy and Politics, [S. l.], v. 3, n. 2, p. 110–114, 2025. DOI: 10.69745/ijsspp.v3i2.130. Disponível em: http://ijsspp.yayasanwayanmarwanpulungan.com/index.php/IJSSPP/article/view/130. Acesso em: 31 may. 2026.