Y. Rusdiana and A. Mahabbati, “Gentle Heart Program Reduces Temper Tantrums in Early Childhood Classrooms: Program Lembut Hati Menurunkan Temper Tantrum di Kelas Anak Usia Dini”, ijins, vol. 26, no. 4, p. 10.21070/ijins.v26i4.1735, Oct. 2025.