. (1971). -. (e26674). University College of Engineering, 20(0), e26674
. "-" .e26674 , University College of Engineering, 20, 0, 1971, e26674.
. (1971). '-', University College of Engineering, 20(0), e26674.
, "-," University College of Engineering, 20 0 (1971): e26674,
. -. University College of Engineering. 1971;20(0):e26674 (In Persian).
