Putri, Annisa Khairani, Hernani Hernani, Soja Siti Fatimah, Atep Rian Nurhadi, and Billy Oktora Abdilah Fauzi. 2026. “Exploring Learning Obstacles in Extraction: A Qualitative Analysis for Systems Thinking-Based Didactical Design”. JTK (Jurnal Tadris Kimiya) 11 (1):1-13. https://doi.org/10.15575/jtk.v11i1.52383.