(3GdaQGFO GdOQjI ddWdGH YQHj(B-(3GfcdjRj (B:s (3JRjfg GKfJGf hKdGKhf dhMI edhfI hSHYeGjI UhQI ShOGA (B/s - (3GdeDSSI GdhWfjI ddcJGH s ((3HjQhJ (B:s (3OGQ GdeTQb HjQhJ ,s, 1974)
Keywords: (3GKfJGfs; (3KdGKhf s; (3JRjfgs; (3dhMI s