KESUMAPUTRA, M. F. Proposed Marketing Strategy for Increasing Sales in Restaurant Business . Cerdika: Jurnal Ilmiah Indonesia, [S. l.], v. 5, n. 6, p. 1574–1587, 2025. DOI: 10.59141/cerdika.v5i6.2686. Disponível em: https://cerdika.publikasiindonesia.id/index.php/cerdika/article/view/2686. Acesso em: 31 jan. 2026.