. (1981). -. (e26864). University College of Engineering, 42(0), e26864
. "-" .e26864 , University College of Engineering, 42, 0, 1981, e26864.
. (1981). '-', University College of Engineering, 42(0), e26864.
, "-," University College of Engineering, 42 0 (1981): e26864,
. -. University College of Engineering. 1981;42(0):e26864 (In Persian).
