(3GMcGe GdLfSjI heQcR GdGLGfH ai Ohd eLdS GdJYGhf GdNdjLi (B((3OQGSI ebGQfI eY GdGgJeGe HGdfXGe GdSYhOi (B/ s - (3YeQ GHhHcQ HGNTHs; (3GMeO YHOGdMejO YThTs ([S.N] : (3eDSSI THGH GdLGeYI , s, 1990)
Keywords: (3GdbGfhfs; (3GdLfSjIs; (3GdScGf GdGLGfHs; (3GdSYhOjI (B- (3GdbGfhf GdOhdi GdNGUs; (3GdJLfSs; (3GdbGfhf GdGhdis; (3GdehGWfIs