Nabila, M., Samawi, A. and Arifin, I. 2023. Pengembangan Busy Book Berbasis Loose Parts Untuk Melatih Problem Solving Anak Usia Dini. Journal of Instructional and Development Researches. 3, 4 (Aug. 2023), 178-187. DOI:https://doi.org/10.53621/jider.v3i4.242.