[1]
Medawati, Patahuddin, and Suryadi Ishak, “Development Of A Problem-Based Learning (PBL) Based Formative Test Instrument To Improve Students’ Understanding Of Science Concepts At SMP Negeri 2 Taliabu Selatan”, IJEVSS, vol. 5, no. 02, pp. 998-1013, May 2026.