(3GdeWGdHI GdbVGFjI CeGe OjhGf GdeXGde (B:s (3OQGSI ebGQfI (B/s - (3GdOZjKQ, agO Hf eMeO Hf YHO GdYRjRs ((3GdQjGV (B:s (3LGeYI Gdedc SYhO, eQcR GdHMhK,s, 1993)
(3HHdjhLQGajI (B: (3U(B. 205-217.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbVGAs -- (3GdSYhOjIs; (3GdeMGces -- (3GdSYhOjIs; (3bGfhf GdeQGaYGJs -- (3GdSYhOjIs