(3GdZfjej GdhSjW aj bGfhf GdSdGe (B:s (3GdbGfhf GdOhdj GdYGe Ch bGfhf GdCee Ref GdSde (B/s - (3GdZfjej, eMeO WdYJs ((3GdEScfOQjI, eUQ (B:s (3efTCI GdeYGQa,s, 1982)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdOhdjs; (3GdSdGe GdYGdejs