(3fMf hGdaJjcGf h GSQGFjd (B/ s - (3GfjS GdbGSe s ((3HjQhJ(B:s (3eQcR GdGHMGK (B- (3efXeIGdJMQjQ GdadSWjfjI (B/s, 1966)
(3jMJhj Ydi edMb s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdEfLdjRjIs
Keywords: (3GdYdGbI Hjf GdaJjcGf hGSQGFjd (B.s