Sinambela, Masdiana, Mariana Simangunsong, Andreas Simorangkir, and Arman Harahap. “Correlation of Macrozoobenthos Diversity Index With Physico-Chemical Factors in Lake Toba, Toba Samosir Regency”. International Journal of Science, Technology & Management 4, no. 3 (May 31, 2023): 575–581. Accessed July 16, 2026. https://ijstmjournal.com/index.php/ijstm/article/view/829.