Setiawan Y, Marwa K, Borom A, Mamji Y. The Efficacy of the "Pojok Ceria" Interactive Bulletin Board in Enhancing Early Number Sense and Self-Directed Learning among First-Grade Students. J. Integr. Elem. Educ. [Internet]. 2025 Sep. 21 [cited 2025 Nov. 3];5(2):506-2. Available from: https://journal.walisongo.ac.id/index.php/jieed/article/view/23895