@inproceedings{paperid:1060563, author = {Pakdaman, Zohreh and Ahmadi, Jafar and Doostparast, Mahdi}, title = {Some design of strength system in stress-strength model}, booktitle = {2nd Seminar on Reliability Theory and its Applications}, year = {2016}, location = {تهران, IRAN}, keywords = {Stress-strength system ; Reliability; PHR model}, }