(3GdYdGbGJ GdOhdjI (B: s (3GdfXGe GdOHdheGSj hGdbfUdj (B- (3Mbhb GdGfSGf (B- (3JfejI Ohd GdYGde GdKGdK (B- (3JShjI GdefGRYGJ GdOhdjI (B/ s - (3MSjf, eUWai SdGeI, (B1948- s ((3GdGScfOQjI (B[(3eUQ(B] : s (3OGQ GdeWHhYGJ GdLGeYjI (B984.s, 1984)
(3jJVef bGFeI HGge GdeNJUQGJ HGddZI GdGfLdjRjI(B.s
(3jJVef GQLGYGJ HHdjhLQGajIs
Keywords: (3YdGbGJ NGQLjI(B.s; (3Mbhb GdGfSGf (B((3bGfhf Ohdj(B)s; (3GdefGRYGJ GdOhdjI(B.s; (3GdOHdheGSjI (B((3bGfhf Ohdj(B)s; (3GdOhd GdfGejIs -- (3GMhGd GbJUGOjI(B.s