(3GdGSJjYGH ai eYQaIGdCUMGH (B/ s - (3GHf YHOGdHQ GdbQWHi (B: (3LeGd GdOjf GHhYeQ jhSa Hf YHOGddg Hf eMeO Hf YHOGdHQ Hf YGUe GdfeQi GdeGdcis; (3Ydi eMeO GdHLGhis ((3HjQhJ (B: s (3OGQ GdLjd , s, 1992)
Keywords: (3GdJQGLes; (3GdGfSGH GdYQHjIs; (3GdUMGHIs; (3GdGSdGe (B- (3JQGLes; (3GdUMGHI hGdJGHYhf (B- (3JQGLes