(3JfHjg GdZGadjf aj GdehYXI HCMGOjK SjO GdCfHjGA hGdeQSdjf ;s (3jdjg cJGH HSJGf GdYGQajf (B/s - (3CHh GddjK GdSeQbfOj, fUQ Hf eMeO Hf CMeO,s (3J(B. 373 (3g`(B.s ((3HjQhJ (B:s (3OGQ GdacQ ,s, 1989)
Keywords: (3GdhYX hGdEQTGOs