SAIFATUN NUR HAFIDZAH Z, F.; RINANINGSIH. Development of Diagnostic Test Instruments as Placement Tests to Determine Students’ Cognitive Learning Levels on Acid-Base Material. PENDIPA Journal of Science Education, [S. l.], v. 9, n. 2, p. 488–496, 2025. DOI: 10.33369/pendipa.9.2.488-496. Disponível em: https://ejournal.unib.ac.id/pendipa/article/view/43434. Acesso em: 26 jul. 2025.