Febrianto, Taufan, Sri Ngabekti, and Sigit Saptono. “The Effectiveness of Schoology-Assisted PBL-STEM to Improve Critical Thinking Ability of Junior High School Students”. Journal of Innovative Science Education 10, no. 2 (August 6, 2021): 222-229. Accessed May 23, 2024. https://journal.unnes.ac.id/sju/jise/article/view/42993.