[1]
Situmorang, M.T.N. 2025. Design of Clean Water Treatment Installation and Estimation of Capex and Opex in Aek Natonang Lake, Samosir Regency. Jurnal Penelitian Pendidikan IPA. 11, 6 (Jun. 2025), 314–323. DOI:https://doi.org/10.29303/jppipa.v11i6.11137.