(3Yf WQjb GdNOGY (B:s (3UhQI eQhYI ddehSGO ef GdOGNd (B/s - (3ChSJQhaScj, ajcJhQ,s 1949- ((3HjQhJ (B:s (3GdeDSSI GdYQHjI ddOQGSGJ hGdfTQ,s, 1990)
(3jTJed Ydi cTGa(B.s
Keywords: (3ESQGFjd(B.s -- (3hcGdI GdeNGHQGJ GdESQGFjdjIs; (3GdeNGHQGJs -- (3ESQGFjds; (3GdLGShSjIs -- (3ESQGFjds