Dwi Pamungkas S., Permana Tedjo, et al. “Study Phenomenology Evaluation Joint Operation - Non Separate Vehicle Using Profit Sharing Method in Expedition Companies”. Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi, vol. 16, no. 1, Mar. 2021, pp. 39-48, doi:10.24269/ekuilibrium.v16i1.2021.pp39-48.