(3GdbQGQ GdEOGQj Hjf GdfXQjI hGdJWHjb (B:s (3OQGSI ebGQfI (B: (3aQfSG(B-(3eUQ(B-(3dHfGf(B-(3GdCQOf (B/s - (3GdRYHj, NGdO SeGQIs ((3YeGf, GdCQOf (B:s (3ecJHI OGQ GdKbGaI ddfTQ hGdJhRjY,s, 1999)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdEOGQjs -- (3aQfSGs; (3GdbGfhf GdEOGQjs -- (3eUQs; (3GdbGfhf GdEOGQjs -- (3dHfGfs; (3GdbGfhf GdEOGQjs -- (3GdCQOfs