. (1971). -. (e26671). University College of Engineering, 20(0), e26671
. "-" .e26671 , University College of Engineering, 20, 0, 1971, e26671.
. (1971). '-', University College of Engineering, 20(0), e26671.
, "-," University College of Engineering, 20 0 (1971): e26671,
. -. University College of Engineering. 1971;20(0):e26671 (In Persian).
