Faiz Mohd Turan and Badrul Omar 2013. Application of House of Quality, Fuzzy-Analytical Hierarchy Process and Rough-Grey Analysis in Design Concept Evaluation – A Case Study. Journal of Mechanical Engineering and Sciences. 5, 1 (Dec. 2013), 723–733. DOI:https://doi.org/10.15282/jmes.5.2013.19.0070.