Sondakh, M. A. M., Kalangi, J. A. F., & Rogahang, J. J. (2021). Strategi Pemasaran Bisnis Ritel Alfamart Desa Pontak Kecamatan Ranoyapo. Productivity, 2(5), 408–412. Retrieved from https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/36112