(3Mbhb GdEfSGf (B/s - (3MSf Ydis ((3GdchjJ (B: s (3hcGdI GdeWHhYGJ,s, 1982)
. 262-253 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3Mbhb GdEfSGfs; (3GdbGfhf GdOhdj GdYGes