F. Larasati, L. Purwasi, and T. Maharani, “PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN MEDIA POWERPOINT INTERAKTIF TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA KELAS IV SD”, Primary Education Journal Silampari (PEJS), vol. 6, no. 1, pp. 28-32, Jun. 2024.