Zainab, Siti, Novie Handajani, and Hendrata Wibisana. 2022. “Acidity (pH) and Dissolved Oxygen Levels As Indicators of Water Quality Around the Tuban Coastal Area”. Nusantara Science and Technology Proceedings, November. Malang, Indonesia, 114-19. https://doi.org/10.11594/nstp.2022.2719.