1.
Aiman N, Humaedi H, Amrullah A, Nirmala B. The Effect of Using Colored Sand on Children’s Cognitive Development. IJECIE [Internet]. 30Jun.2026 [cited 12Nov.2026];10(1):107-19. Available from: https://www.journal.uaindonesia.ac.id/index.php/ijecie/article/view/1398