Sutopo S, Sudianto S, Hamid A, Martoyo A. The role of e-business and web design in expanding the scope of product marketing in grutty shoe stores. sintesa [Internet]. 2023 Dec. 13 [cited 2026 Apr. 17];14(2):85-93. Available from: https://ejournal.unsap.ac.id/index.php/sintesa/article/view/1130