Kesumaputra, Muhamad Fachrian. “Proposed Marketing Strategy for Increasing Sales in Restaurant Business”. Cerdika: Jurnal Ilmiah Indonesia 5, no. 6 (June 21, 2025): 1574–1587. Accessed January 31, 2026. https://cerdika.publikasiindonesia.id/index.php/cerdika/article/view/2686.