Suroyo, S., Saragih, A. M. P., & Sinaga, P. (2022). Impact of Marketing on Goods Transportation Services with Case Study PT. Jasa Prima Logistik Bulog. Eqien - Jurnal Ekonomi Dan Bisnis, 10(1), 403–412. https://doi.org/10.34308/eqien.v10i1.505