Yani, Ristya Widi Endah, Retno Palupi, Taufan Bramantoro, and Darmawan Setijanto. 2019. “Analysis of Calcium Levels in Groundwater and Dental Caries in the Coastal Population of an Archipelago Country”. Open Access Macedonian Journal of Medical Sciences 7 (1):134-38. https://doi.org/10.3889/oamjms.2019.013.