(3YdGbI GdEYdGe HGdeSGFd GdCefjI aj GdeLJeY GdYQHj (B:s (3CHMGK GdMdbI GdYdejI GdJGSYI hGdJj YbOJ aj ebQ GdeQcR aj GdaJQI ef (B13-17 (3TYHGf (B1407 (3g` GdehGab (B11-15 (3CHQjd (B1987 (3e (B/s - (3GdMdbI GdYdejI Mhd YdGbI GdEYdGe HGdeSGFd GdCefjI aj GdeLJeY GdYQHj s 1407 (3g`(B. :s (3GdQjGV(B)s ((3GdQjGV (B:s (3GdeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH,s, 1988)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdEYdGes -- (3GdHdGO GdYQHjIs -- (3eDJeQGJs; (3ecGaMI GdLQjeIs -- (3GdHdGO GdYQHjIs -- (3eDJeQGJs; (3GdCef GdOGNdjs -- (3GdHdGO GdYQHjIs -- (3eDJeQGJs