Kholifah, Rifa Ayu Nur, Dedy Suprayogi, Shinfi Wazna Auvaria, and Eva Agustina. 2025. “Analisis Kualitas Air Bersih Dari Berbagai Sumber Di Laboratorium PT X”. Ranah Research : Journal of Multidisciplinary Research and Development 7 (3), 2160-69. https://doi.org/10.38035/rrj.v7i3.1353.