Sipayung ATT, Marpaung SA, Nabilah Y, Pane PY, Ginting R. Association of PSN implementation frequency with mosquito larvae presence in Kwala Bekala, Medan. BKKP [Internet]. 2026 Sep. 13 [cited 2026 Oct. 29];5(2):231-5. Available from: http://139.162.50.187/index.php/bulkesprima/article/view/8755