E. S. Anggraini, K. A. B. Ginting, E. V. Sihombing, and I. Manalu, “Playing and Learning in the Creative Corner: Efforts to Increase Early Childhood Creativity Through the Introduction of Letters and Numbers at Nurul Muslimin Kindergarten”, Jurnal Multidisiplin Indonesia, vol. 3, no. 1, pp. 561–568, Jun. 2024.