(3GdHWdGf ai bGfhf GdeQaYGJ GdeOfjI hGdJLGQjI (B/ s - (3YHOGdMcje ahOIs ([S.N] : (3OGQ GdeWHhYGJ GdLGeYjI , s, 1993)
Keywords: (3GdbGfhfs; (3bGfhf GdeQGaYGJs; (3bGfhf GdGLQGAGJ GdLfGFjIs