. (1971). -. (e26675). University College of Engineering, 20(0), e26675
. "-" .e26675 , University College of Engineering, 20, 0, 1971, e26675.
. (1971). '-', University College of Engineering, 20(0), e26675.
, "-," University College of Engineering, 20 0 (1971): e26675,
. -. University College of Engineering. 1971;20(0):e26675 (In Persian).
