Optimizing Early Childhood Mental Health Through Social–Emotional Stimulation Using Educational Play Equipment (APE). HADHANATUNA: Journal of Early Childhood Education [Internet]. 2025 Feb. 27 [cited 2026 Jun. 6];2(1):142-5. Available from: https://jurnal.isimupacitan.ac.id/index.php/hadhanatuna/article/view/199