Sapulete, S.M. et al. 2023. Analysis of Mountain Sand Material Content in Rumah Tiga and Hative Besar Villages, Teluk Ambon District Using X-Ray Diffraction (XRD) and X-Ray Fluorescence (XRF) Methods). Jurnal Penelitian Pendidikan IPA. 9, 4 (Apr. 2023), 1982–1986. DOI:https://doi.org/10.29303/jppipa.v9i4.3168.