Karyadi, Prita Atria, Maria Paristiowati, and Afrizal Afrizal. “ANALYSIS THE 21ST CENTURY SKILLS OF STUDENTS IN CHEMICAL EQUILIBRIUM LEARNING WITH FLIPPED CLASSROOM-COLLABORATIVE PROBLEM SOLVING MODEL”. JTK (Jurnal Tadris Kimiya) 5, no. 1 (June 30, 2020): 48–60. Accessed February 2, 2026. https://www.journal.uinsgd.ac.id/index.php/tadris-kimiya/article/view/7971.