(3GdbfHdI GdfjhJQhfjI (B:s (3eVGejfgG GdJbfjI hGdSjGSjI hGdYScQjI (B/s - (3chgf, SGe J(B.s; (3GdcYcj, SGejs ((3HjQhJ (B:s (3GdQhGO ddfTQ hGdJhRjY,s, 1981)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbfGHd GdPQjIs