MULYO, I. A. VALUE CHAIN ANALYSIS OF MCDONALD. Jurnal Ekonomi, [S. l.], v. 12, n. 02, p. 908–913, 2023. Disponível em: https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/1815. Acesso em: 24 jun. 2026.