Refianda Nasution, Abdi Sugiarto, and Cut Nuraini. “Development of Community-Based Drinking Water Infrastructure in Langkat Regency”. Equivalent : Journal of Economic, Accounting and Management 4, no. 2 (May 21, 2026): 1507–1518. Accessed May 21, 2026. https://jurnal.dokicti.org/index.php/equivalent/article/view/1836.