Sitanggang, Metha Lolyta, and Tita Juwitaningsih. “Application of Problem Based Learning Model Assisted by Google Sites Media to Improve Student Learning Outcomes and Activities in Electrolyte and Non-Electrolyte Solution Material”. Chemistry Education Practice, vol. 8, no. 2, Dec. 2025, pp. 370-7, doi:10.29303/cep.v8i2.9387.