A, H., S. H. N, and R. M.A. “Application of Integrated AHP and TOPSIS Techniques for Determining the Best Fresh Fruit Bunches (FFB)”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 3, Sept. 2017, pp. 145-9, https://jtec.utem.edu.my/jtec/article/view/1812.