Sriani D, Syukur Y, Karneli Y, Ardi Z. Associations of Perceived Birth-Order Status and Family Harmony with Academic Achievement among Students at SMAN 1 Luhak Nan Duo, West Pasaman, Indonesia. attalim [Internet]. 2026 Jul. 9 [cited 2026 Jul. 14];12(2):223-3. Available from: https://ejournal.unzah.ac.id/index.php/attalim/article/view/2612