“ANALISIS PERTANYAAN PADA BUKU TEKS KIMIA BERDASARKAN QUESTION CATEGORY SYSTEM FOR SCIENCE(QCSS)”. EDUSAINS 7, no. 1 (February 15, 2019): 48–56. Accessed December 21, 2025. https://journal.uinjkt.ac.id/edusains/article/view/2036.