Rasyid, Fahmi, Zulkifli Nasution, and Hesti Wahyungsih. 2024. “Batang Toru Rivers Water Quality Analysis of Batangtoru River in South Tapanuli District, North Sumatra Province”. Journal of Environmental and Development Studies 5 (01):31-42. https://doi.org/10.32734/jeds.v5i01.11664.