Rosaria santi, Irnita, et al. “PERANAN AGEN DALAM PENGURUSAN CLEARANCE IN DAN CLEARANCE OUT DI KSOP KELAS 3 SAMPIT”. Pena Jangkar, vol. 4, no. 1, Sept. 2024, pp. 31-39, https://jurnal.amnus-bjm.ac.id/pena-jangkar/article/view/141.