Ramisdar, I. O., H. Ibrahim, F. Mallapiang, and A. M. H. Lagu. “Potential Hazards in the Loading and Unloading Process: Risk Analysis With Job Safety Analysis and Hazard Operability Study Methods”. Diversity: Disease Preventive of Research Integrity, Vol. 1, no. 1, Jan. 2021, pp. 1-7, doi:10.24252/diversity.v1i1.18720.