(3GdGOH hbVGjG GdYUQ(B:s (3eLehYI ebGdGJ fbOjI(B/s - (3GdYGed,YGOd,s; (3KQhI,jhSa YHO GdeSjM,s ((3HZOGO,GdYQGb(B:s (3OGQ GdQTjO ddfTQ,s, 1981)
(3GdfU HGddZI GdYQHjI eJQLe ef GddZI GdGfcdjRjIs
Keywords: (3GdGOH GdYQHj(B-(3JGQjN hfbOs