Maulani, Alfatihah, and Elwindra Elwindra. “Relationship Between Economic and Demographic Characteristics Against Happiness Status of Jakarta Population in 2012”. Jurnal Persada Husada Indonesia 1, no. 3 (October 3, 2014): 50-58. Accessed January 21, 2026. https://www.jurnal.stikesphi.com/index.php/kesehatan/article/view/50.