Suroyo, Suroyo, Aprianto Miduk Pandapotan Saragih, and Parlin Sinaga. 2022. “Impact of Marketing on Goods Transportation Services With Case Study PT. Jasa Prima Logistik Bulog”. Eqien - Jurnal Ekonomi Dan Bisnis 10 (1):403-12. https://doi.org/10.34308/eqien.v10i1.505.