(3GdfXQjI GdYGeI ddJLQje (B:s (3OQGSI ai adSaI GdbGfhf GdLfGFi (B/s - (3CMeO eMeO NdjaIs ((3GdbGgQI (B:s (3OGQ GdeYGQa ,s, 1959)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI (B.s
(3HHdjhLQGajI (B: (3UaMGJ C (B- (3M(B.s
Keywords: (3GdSjGSI GdLfGFjI hMOhO GdJLQje hGdYbGHs; (3GdbGfhf GdLfGFjs