@inproceedings{paperid:1073153, author = {Safaei, Fatemeh and Ahmadi, Jafar and Sadeghpour Gildeh, Bahram}, title = {A Fuzzy optimal planned replacement time based on availability and cost functions}, booktitle = {هشتمین سمینار آمارو احتمال فازی}, year = {2018}, location = {مشهد, IRAN}, keywords = {Availability function; Cost function; Fuzzy number; Optimal planned replacement.}, }