Purba J, Panggabean FTM, Sutiani A. Development of General Chemistry Teaching Materials Using the PjBL-STEM Model to Enhance Students’ Creative Thinking Skills. j.tadris.kimiya [Internet]. 2024 Dec. 26 [cited 2025 Dec. 18];9(2):149-58. Available from: http://103.55.33.27/index.php/tadris-kimiya/article/view/39318