Aifah, D.N. and Astriani, D. 2024. PROJECT BASED LEARNING MODEL (PjBL) TO IMPROVE COLLABORATION SKILLS AND STUDENT COGNITIVE LEARNING RESULTS. PENSA E-JURNAL: PENDIDIKAN SAINS. 12, 1 (Oct. 2024), 20–25. DOI:https://doi.org/10.26740/pensa.v12i1.61138.