Gray Zesco Brilyan Simamora, Janwar Tambunan and Bernard Simanjuntak (2026) “The Effect of Problem Based Learning Model on the Science Learning Outcomes Of Grade V Students of UPTD SD Negeri 122354 Pematangsiantar”, International Journal of Technology and Education Research, 4(02), pp. 358-369. doi: 10.63922/ijeter.v4i02.3442.