Nurhidayah, Syifaa’, Tsurraya Azzahira, Salsa Fauziah, and Nuriana (Nino Adhi). 2023. “Penerapan Teori Perkembangan Mental Menurut Jean Piaget Di SD Al Hikmah Tembalang”. PRISMA, Prosiding Seminar Nasional Matematika 6 (March), 536-39. https://journal.unnes.ac.id/sju/prisma/article/view/66785.