1.
Ningsih S, Sutisna I, Tangahu S, MM NA, Sodik S. The effects of the marble shapes digital game on preschoolers’ geometric recognition. J. Early Child. Care. Educ. [Internet]. 2026Mar.25 [cited 2026Oct.9];9(1):17-2. Available from: http://journal2.uad.ac.id/index.php/jecce/article/view/14509