Wijayanto PW, Priyatiningsih N, Herman H, Sudadi S, Saputra N. Implementation of Problem Based Learning Model to Improve Early Childhood Abilities in Creative Thinking. J. Obs. J. Pendidik. Anak Usia Dini [Internet]. 2023 Feb. 16 [cited 2026 May 14];7(1):1017-23. Available from: https://mail.obsesi.or.id/index.php/obsesi/article/view/3909