. (1978). -. (e26803). University College of Engineering, 38(0), e26803
. "-" .e26803 , University College of Engineering, 38, 0, 1978, e26803.
. (1978). '-', University College of Engineering, 38(0), e26803.
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. -. University College of Engineering. 1978;38(0):e26803 (In Persian).
