Nur Laeli Asifah et al. 2025. THE EFFECT OF IMPLEMENTATION PROJECT BASED LEARNING (PJBL) MODEL ON STUDENTS’ MATHEMATICS LEARNING OUTCOMES IN GRADE IV AT UPTD SD NEGERI 1 WERU LOR. Jurnal Cakrawala Pendas. 11, 4 (Oct. 2025), 877–891. DOI:https://doi.org/10.31949/jcp.v11i4.15435.