@article{paperid:1079984,
author = {Luis A. Gil-Alana and نظری, روح اله and خداپرست مشهدی, مهدی},
title = {Oil Production in OPEC Countries: A Fractional Integration Study},
journal = {Research in Applied Economics},
year = {2020},
volume = {12},
number = {2},
month = {June},
issn = {1948-5433},
pages = {49--64},
			numpages = {15},
keywords = {oil production; OPEC countries; persistence; fractional integration},
}