Lubis SLG, Nasution Y, Siregar TMSB, Tambunan HP, Sembiring MM. THE EFFECT OF SMART BOX MEDIA ON IPAS LEARNING OUTCOMES IN FOURTH GRADE ELEMENTARY SCHOOL STUDENTS. Jurnal Merah Putih Sekolah Dasar, The Indonesian Journal of Primary School Education [Internet]. 2025 Jan. 18 [cited 2026 Jul. 24];2(3):314-20. Available from: https://jurnal.unimed.ac.id/2012/index.php/jmpsd/article/view/72209