ELSINAH, E.; ZAHRUDDIN, Z.; MAFTUHAH, M. Analysis of Porter’s five strengths in SD Shopos Indonesia. Cendikia : Media Jurnal Ilmiah Pendidikan, [S. l.], v. 13, n. 6, p. 1033-1041, 2022. DOI: 10.35335/cendikia.v13i6.3836. Disponível em: https://iocscience.org/ejournal/index.php/Cendikia/article/view/3836. Acesso em: 9 may. 2026.