ISSALILLAH, Fayola; KHAYRU, Rafadi Khan. Stress and Reference Group Contribution to Achievement Motivation of Student. Studi Ilmu Sosial Indonesia, [S. l.], v. 1, n. 1, p. 13–28, 2021. Disponível em: https://sisijournals.id/index.php/sisi/article/view/2. Acesso em: 17 jun. 2026.