Silalahi, Esther Lina, et al. “THE IMPACT OF PRICE, SERVICES, QUALITY OF SERVICES AND PRODUCTS TOWARD PURCHASING DECISION OF CUSTOMERS IN PT. NUSIRA MEDAN”. International Journal of Economics, Business and Accounting Research (IJEBAR), vol. 5, no. 2, July 2021, doi:10.29040/ijebar.v5i2.2521.