El Amin, M.H. and Prihantini, N.B. 2023. The Characteristics of Diatom in Different Preservation Methods: A Comparation Study . Jurnal Penelitian Pendidikan IPA. 9, 3 (Mar. 2023), 1327–1331. DOI:https://doi.org/10.29303/jppipa.v9i3.2775.