“Stimulation of Cognitive Abilities of 5-6 Year Old Children through Ecoprint Activities”.
Al Hikmah Indonesian Journal of Early Childhood Islamic Education 9, no. 1 (June 29, 2025): 73–85. Accessed September 7, 2026.
https://www.ojs.mlati.id.or.id/index.php/ijecie/article/view/971.