(3GdGjOjhdhLjI GdUgjhfjI (B:s (3OQGSI MGdI aj Yde GLJeGY GdeYQaI (B.s - (3GdeSjQj , YHO GdhgGH eMeOs ((3GdchjJ (B:s (3GdeLdS GdhWfj ddKbGaI hGdafhf ,s, 1988)
Keywords: (3GdUgjhfjI (B.s