Y. U. Chandra, S. Karya, and M. Hendrawaty, “Decision Support Systems for Customer to Buy Products with an Integration of Reviews and Comments from Marketplace E-Commerce Sites in Indonesia: A Proposed Model”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 9, no. 4, pp. 1171–1176, Aug. 2019.