Sari, Siti Fatimah Indah, Abdul Hadjranul Fatah, and Maya Erliza Anggraeni. 2020. “Analysis of Class X High School Chemistry Teaching Material On Stoichiometry Concepts”. Jurnal Ilmiah Kanderang Tingang 11 (1), 139-51. https://doi.org/10.37304/jikt.v11i1.82.