“INDONESIAN NATIONAL IDENTITY MODEL: THE IMPORTANCE OF RELIGION, SELF-ESTEEM, AND RELATIONS BETWEEN GROUPS AMONG MUHAMMADIYAH STUDENTS”. Jurnal Psikologi Integratif 9, no. 2 (October 15, 2021): 150–174. Accessed January 28, 2026. https://ejournal.uin-suka.ac.id/isoshum/index.php/PI/article/view/2236.