Sutopo, S., S. Sudianto, A. Hamid, and A. Martoyo. “The Role of E-Business and Web Design in Expanding the Scope of Product Marketing in Grutty Shoe Stores”. SINTESA, vol. 14, no. 2, Dec. 2023, pp. 85-93, https://ejournal.lppmunsap.org/index.php/sintesa/article/view/1130.