1.
Rizkina M, Siregar MAP, Batubara AU. Deli River Water Quality Control In Medan City Using Statistical Methods Quality Control. J. Pijar.MIPA [Internet]. 2024 Mar. 30 [cited 2024 May 17];19(2):372-9. Available from: https://jurnalfkip.unram.ac.id/index.php/JPM/article/view/6591