Anni Wati Tumanggor, Rindi Andika, Via Vio Ninda, Intan Amandayu, and Muhammad Fakhri Lubis, “THE INFLUENCE OF BUSINESS CAPITAL, BUSINESS COMPETITION ON THE DEVELOPMENT OF MOBILE PHONE SMES IN MEDAN”, IHERT, vol. 4, no. 1, pp. 590–594, Dec. 2022.