(3GdJUMja hCKQg aj GdMOjK hGdabg hLghO GdeMOKjf aj ecGaMJg (B/s - (3LeGd ,CSWjQjs ((3GdQjGV ;s (3ecI GdecQeI (B:s (3OGQ WjHI,s, 1997)
Keywords: (3JUMjaGJ GdeMOKjfs; (3GdMOjKs -- (3ESfGO VYjas