. (1981). Energy Supply and Demand in the World and in Iran. (e26855). University College of Engineering, 42(0), e26855

. "Energy Supply and Demand in the World and in Iran" .e26855 , University College of Engineering, 42, 0, 1981, e26855.

. (1981). 'Energy Supply and Demand in the World and in Iran', University College of Engineering, 42(0), e26855.

, "Energy Supply and Demand in the World and in Iran," University College of Engineering, 42 0 (1981): e26855,

. Energy Supply and Demand in the World and in Iran. University College of Engineering. 1981;42(0):e26855 (In Persian).