(3OQhS aj bGfhf GdYbhHGJ (B:s (3GdbSe GdNGU (B/s (3GdLRA GdKGfi(B.s - (3eMehO fMjH MSfjs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI,s, 1970)
(3gPG GdcJGH (B(340-685)(3ecedG ddLRA GdChd(B(1-384)s
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf GdYbhHGJ (B- (3GdbSe GdNGUs; (3GdbGfhf GdLfGFis