(3GdhSjW aj TQM bGfhf GdeQhQ hdGFMJg GdJfajPjI (B:s (3jTJed Ydi GdJYdjb Ydi fUhU GdbGfhf HGdTQM (B... /s - (3YHO GdJhGH, eYhV(B.s ((3GdEScfOQjI, eUQ (B:s (3JhRjY efTCI GdeYGQa,s, 1988)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdeQhQs -- (3bhGfjf hJTQjYGJs -- (3eUQs