@inproceedings{paperid:1036114, author = {Ahmad Abdollahzadeh Barforoush and Rasoolzadegan, Abbas and Reza Gorgan Mohammadi}, title = {WNR Approach: an Extension to Requirements Engineering Lifecycle}, booktitle = {20th Iranian Conference on Electrical Engineering}, year = {2012}, location = {تهران, IRAN}, keywords = {Requirements engineering; new approach; RE lifecycle}, }