Alphrazy, R. and Octavia, B. 2023. The Effectiviness of Student Teams Achievement Division and Scrambel Combined Model on Collaborative Skills and Conceptual Knowledge Mastery of Class X SMAN 1 Semparuk on Bacteria. Jurnal Penelitian Pendidikan IPA. 9, 6 (Jun. 2023), 4783–4790. DOI:https://doi.org/10.29303/jppipa.v9i6.3544.