Silalahi, R. L. ., and A. . Suparwo. “The Effect of Price Perceptions, Service Quality, and Brand Image on Purchasing Decisions on JNE Expedition Services”. International Journal of Applied Finance and Business Studies, vol. 11, no. 3, Dec. 2023, pp. 382-90, doi:10.35335/ijafibs.v11i3.144.