Items where Subject is "HN Social history and conditions. Social problems. Social reform"
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- H Social Sciences (1)
- HN Social history and conditions. Social problems. Social reform (1)
- H Social Sciences (1)
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Siregar, Robert Tua and Silitonga, Hery (2020) Development of Wastewater Treatment (Ipal) Communal Plant in Village Pardomuan Nauli in the District Laguboti District Toba Samosir with the Power of Community Participation. IJAST: International Journal of Advanced Science and Technology, 29 (06). pp. 7609-7617. ISSN 2207-6360