Nuryuliana, Nuryuliana, and Anti Kolonial Prodjosantoso. “Development of Integrated Assessment Instrument to Measure Critical Thinking Skills and Self-Efficiency in Acid-Base Concept”. JTK (Jurnal Tadris Kimiya), vol. 6, no. 2, Dec. 2021, pp. 223-35, doi:10.15575/jtk.v6i2.14872.