Upit Witasari et al. 2026. IMPLEMENTATION OF PROJECT BASED LEARNING ( PJBL ) FOR INCREASE REASONING STUDENT CRITICAL THINKING AND CREATIVITY THROUGH POP UP BOOK WORKS. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL. 15, 2 (Jun. 2026), 1867–1875. DOI:https://doi.org/10.36526/sosioedukasi.v15i2.8130.