Khotami, Wildhani, et al. “Penerapan Standar Operasional Prosedur PT. Arpeni Pratama Ocean Line Banjarmasin Dalam Melayani Keagenan Kapal”. Pena Jangkar, vol. 1, no. 1, Aug. 2021, pp. 27-36, doi:10.54315/jpj.v1i1.7.