(3GdjghO (B: s (3fTCJge h YbjOJge h eLJeYge ef hGbY fUhU GdJhQGg cJGHge GdebOS (B/ s - (3TfhOI, Rcjs ((3GdbGgQg (B:s (3ecJHI GdfgVg GdeUQjg,s, 1974)
Keywords: (3GdjghOs; (3GdJGQjNs