E. Sulistio, M. Misdalina, dan B. S. Abdullah, “PENGARUH MODEL PROBLEM BASED LEARNING BERBANTUAN MEDIA FLASHCARD TERHADAP HASIL BELAJAR MATEMATIKA DI SDN 88 PALEMBANG”, JIPDAS, vol. 6, no. 3, hlm. 6091–6097, Agu 2026.