Jundi Hibban M, Jundi Hibban M, Puspitasari L, Rachmawati A, Dewi N. Kesesuaian Teori Piaget Hukum Kekekalan Luas terhadap Perkembangan Kognitif Anak. prisma [Internet]. 9Mar.2023 [cited 18Jul.2024];6:389-95. Available from: https://journal.unnes.ac.id/sju/prisma/article/view/66876