(3JaSjQ GdbQBf GdYXje (B/s - (3GHf cKjQ, ESeGYjd Hf YeQ Hf cKjQ,s 701-774 (3g`(B.s; (3QLH, eMeOs ((3GdQjGV (B:s (3ecJHI GdYHjcGf,s, 2001)
Keywords: (3GdbQBfs -- (3JaGSjQ eCKhQIs; (3JaSjQs -- (3efGgL eaSQjfs