(3CghGd GdbHhQ hCMhGd CgdgG Edi GdfThQ (B/s - (3GHf QLH ,YHO GdQMef Hf CMeO Hf QLH GdMfHdj,s 736-795 (3g`(B.s; (3RZdhd, eMeO GdSYjO HSjhfjs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1985)
(3HHdjhLQGajI (B: (3U(B. 189-190.s
Keywords: (3GdSeYjGJ (B((3Yde cdGe(B)s -- (3CghGd GdbHhQs