Az’zahra, Riska Nur Aziza, M. A. Martawijaya, Mahir Mahir, and Mutahharah Hasyim. 2025. “Validation of an Assessment Instrument for Collaboration and Critical Thinking in Physics Co-Curricular Activities Integrating Local Wisdom”. PPSDP International Journal of Education 4 (2):690-708. https://doi.org/10.59175/pijed.v4i2.801.