Nur Laeli Asifah, Sati and Hema Widiawati (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), pp. 877–891. doi: 10.31949/jcp.v11i4.15435.