DARMANSYAH, D.; CHAIDIR, I. F.; NURYANTINI, A. Y. EMPIRICAL VALIDITY OF SCIENCE ASSESSMENT INSTRUMENTS BASED ON PROBLEM SOLVING ON ELECTRICAL, MAGNETIC AND ENERGY MATERIALS. Jurnal PTK dan Pendidikan, [S. l.], v. 11, n. 02, p. 149–156, 2025. DOI: 10.18592/ptk.v11i02.19385. Disponível em: https://jurnal.uin-antasari.ac.id/index.php/ptkpend/article/view/19385. Acesso em: 24 feb. 2026.