Yafie, Evania, et al. “Development of a Child-Friendly School Training Center (CFSTC) Model to Improve Teachers’ Ability to Handle Aggressive Behavior of Kindergarten Children: A Quasi-Experimental Study”. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, vol. 9, no. 3, Apr. 2025, pp. 836-45, doi:10.31004/obsesi.v9i3.6898.