Sinulingga, Tertib, and Lily Surayya Eka Putri. “SELECTING TRANSPORT MODES OF RAILWAY AND ROAD BASED ON TARIFF AND TRAVEL TIME”. Jurnal Manajemen Transportasi & Logistik (JMTRANSLOG), vol. 2, no. 2, July 2015, pp. 159-68, doi:10.54324/j.mtl.v2i2.150.