Ahmed, M. (2014). Product Functionality Evaluation Methods and Appplication. test, 4(2), 320-329. doi: 10.21608/idj.2014.378125
Mohamed Shohdy Ahmed. "Product Functionality Evaluation Methods and Appplication". test, 4, 2, 2014, 320-329. doi: 10.21608/idj.2014.378125
Ahmed, M. (2014). 'Product Functionality Evaluation Methods and Appplication', test, 4(2), pp. 320-329. doi: 10.21608/idj.2014.378125
Ahmed, M. Product Functionality Evaluation Methods and Appplication. test, 2014; 4(2): 320-329. doi: 10.21608/idj.2014.378125