Supardi, Febi Kurnia Sari C. STUDY QUALITY OF WATER A RIVER AYAI AT AYAWIT DOWN TOWN, DISTRICT MEYAH – REGENCY OF TAMBRAUW IN THE PROVINCES OF WEST PAPUA. Teknik [Internet]. 2022Jun.30 [cited 2024Sep.20];9(01):1-. Available from: https://ejurnalunsam.id/index.php/jurutera/article/view/5813