هادي عفاف حسن, and داود عبير اسعد. “The Role of Quality Function Deployment in Evaluating The Product Applied Research in General Company For Vegetable Oil Industry- Al-M’amoon Factory”.
Journal of Economics and Administrative Sciences, vol. 21, no. 84, Aug. 2018, p. 146,
https://doi.org/10.33095/jeas.v21i84.693.