Yacob, S.; Amran Md Ali, M.; Ahsan, Q.; Arifin, N.; Ali, R. A Brief Review of Grey Fuzzy Logic Technique Research Progression from 2010 to 2016. IJET 2018, 7 (2.29), 41-42. https://doi.org/10.14419/ijet.v7i2.29.13125.