Muthi'ah, N. M. ., & Sukmawati, W. . (2023). Racking Analysis Instrument Mastery Test Concepts in Learning Science Using the RADEC Model in Elementary School Students . Jurnal Penelitian Pendidikan IPA, 9(SpecialIssue), 1137–1143. https://doi.org/10.29303/jppipa.v9iSpecialIssue.3976