Sunarsih, Sunarsih, Farida Harahap, Habibullah Habibullah, and Muslim Afandi. “The Validity and Reliability of Subjective Well-Being Instruments in Early Adolescents”. Humaniora 11, no. 2 (July 30, 2020): 113–122. Accessed January 18, 2026. https://journal.binus.ac.id/index.php/humaniora/article/view/6461.