Bernice Helena and Dea Denta Tajwidi (2022) “IN SOCIAL PSYCHOLOGICAL STUDY NATION BUILDING INDONESIA SOCIAL GROUP STUDY IN NATIONAL INTEGRATION”, International Jurnal of Education Schoolars, 1(1), pp. 31-41. Available at: https://jurnal.icjambi.id/index.php/ijes/article/view/46 (Accessed: 19September2025).