(3GdMdhd GdeSJhQOI (B:s (3hcja LfJ Ydi CeJfG (B/s - (3jhSa GdbQVGhfjs ((3HjQhJ (B:s (3eDSSI GdQSGdI (B,s, 1977)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3SjGSGJ OGNdjI s