MASTOR, Hartyni; BUJA, Rosland. Faktor penentu kepada kemerosotan jualan koperasi institusi. Jurnal Penyelidikan Sains Sosial, [S. l.], v. 9, n. 29, p. 8–15, 2026. Disponível em: https://academicinspired.com/jossr/article/view/3948. Acesso em: 10 mar. 2026.