Tumangggor, Ester Lina Br, and Karina Brahmana. “Hubungan Kebersyukuran Dengan Kebahagiaan Pada Tukang Becak Di Kota Medan”. Innovative: Journal Of Social Science Research 3, no. 4 (August 29, 2023): 2799–2813. Accessed June 4, 2026. https://j-innovative.org/index.php/Innovative/article/view/3815.