Gultom, Hotmauli, and Eli Rohaeti. “The Effectiveness of the Ethnochemistry-Based Problem Based Learning Model on Students’ Problem-Solving Ability in Chemistry Learning: A Meta-Analysis Study in 2021-2024”. Jurnal Penelitian Pendidikan IPA, vol. 10, no. 7, July 2024, pp. 508-14, doi:10.29303/jppipa.v10i7.8089.