(3bhGYO GdJOQjS aj GdLGeYI (B: s (3Odjd Yed dCYVGA gjFI GdJOQjS aj GdLGeYGJ h eDSSGJ GdJYdje GdYGdj aj GdhWf GdYQHj (B/ s - (3CHh eZdj, SejMs; (3GdJd, SYjOs ((3YeGf (B:s (3OGQ GdacQ ddWHGYI h GdfTQ h GdJhRjY,s, 1997)
Keywords: (3GdJYdje GdYGdjs; (3GdJOQjSs; (3GdcdjGJs; (3GdLGeYGJs