Prasasti, H., Susilaningsih, E. and Sulistyaningsih, T. 2020. Development e-TBL to Analyze Critical Thinking Skills and Problem Solving in Learning of Substance and Characteristics. Journal of Innovative Science Education. 9, 3 (Dec. 2020), 327 - 334. DOI:https://doi.org/10.15294/jise.v9i1.36844.