Supardi and Febi Kurnia Sari, C. 2022. STUDY QUALITY OF WATER A RIVER AYAI AT AYAWIT DOWN TOWN, DISTRICT MEYAH – REGENCY OF TAMBRAUW IN THE PROVINCES OF WEST PAPUA. JURUTERA - Jurnal Umum Teknik Terapan. 9, 01 (Jun. 2022), 1-6. DOI:https://doi.org/10.55377/jurutera.v9i01.5813.