AGUSTIN, P.; SITEPU, M. .; OKTALINA, G. ANALISIS LIMA KEKUATAN PORTER TERHADAP KEBERHASILAN USAHA DI KFC (KENTUCKY FRIED CHICKEN) BTC (BANGKA TRADE CENTER) PANGKALPINANG. JURNAL PROGRESIF MANAJEMEN BISNIS, [S. l.], v. 6, n. 2, p. 336–345, 2019. Disponível em: https://e-jurnal.stie-ibek.ac.id/index.php/JIPMB/article/view/148. Acesso em: 7 mei. 2024.