Muhammad Fajrul Islam. 2025. “ Penerapan Toilet Training Untuk Membangun Kemandirian Anak Usia Dini Di KB Permata Hatiku Waru Sidoarjo”. Journal of Early Childhood Education Studies 5 (2):578-91. https://journal.stai-ypbwi.ac.id/index.php/JOECES/article/view/695.