. (1971). -. (e26672). University College of Engineering, 20(0), e26672
. "-" .e26672 , University College of Engineering, 20, 0, 1971, e26672.
. (1971). '-', University College of Engineering, 20(0), e26672.
, "-," University College of Engineering, 20 0 (1971): e26672,
. -. University College of Engineering. 1971;20(0):e26672 (In Persian).
