Ifeanyichukwu Ebubechukwu Onyegiri และ Sunday Ayoola Oke. (2016) Applying decision trial and evaluation laboratory as a decision tool for effective safety management system in aviation transport. <i>KKU Engineering Journal</i>, <i>43</i>(4), 166-171.Ifeanyichukwu Ebubechukwu Onyegiri และ Sunday Ayoola Oke. "Applying decision trial and evaluation laboratory as a decision tool for effective safety management system in aviation transport". KKU Engineering Journal 43 (2016):166-171.Ifeanyichukwu Ebubechukwu Onyegiri และ Sunday Ayoola Oke. Applying decision trial and evaluation laboratory as a decision tool for effective safety management system in aviation transport. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2016.