PENDEKATAN ETNOSAINS MELALUI MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN LITERASI KIMIA MATERI LARUTAN PENYANGGA. JZ [Internet]. 2021 Oct. 29 [cited 2025 Nov. 26];9(2):105-10. Available from: https://ojs.umrah.ac.id/index.php/zarah/article/view/3814