“THE DEVELOPMENT OF BASIC CHEMISTRY PRACTICAL GUIDE-BOOK OF SCIENTIFIC APPROACH TO DEVELOP COLLEGE STUDENTS SCIENTIFIC THINKING SKILLS”. Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam 24, no. 2 (October 14, 2019): 51–57. Accessed July 1, 2026. https://ejournal-science.upi.edu/jpmipa/article/view/835.