(3GdUMGaI GdYQHjI (B: s (3fTCJgG JWhQgG SLd MGad GdJGQjN af GdUMGaI GdYQHjI bOjeG hMOjKG(B/s - (3eQhI,COjHs ((3HjQhJ,dHfGf (B: s (3efThQGJ OGQ ecJHI GdMjGI,s, 1961)
(3jJVef agQS GdcJGH ef UaMI (B483 -500s
Keywords: (3GdUMGaI GdYQHjIs