(3GdCejQ YHO GdbGOQ GdLRGFQj (B:s (3KbGaI h CKQgG aj COHg (B/s - (3GdhRjQ , eMeO GdSjO Ydj s ([(3Ohf ecGf(B] :s (3GdeDSSI GdhWfjI ddcJGH ,s, 1986)
Keywords: (3GdLRGFQj s; (3YHO GdbGOQ s; (3GdCejQs