(3GdGbdjGJ hGdGSJbQGQ GdSjGSiai GdhWf GdYQHi (B/ s - (3eQcR GdHMhK hGdOQGSGJ GdSjGSjIs; (3fjajf YHOGdefYe SYOs ((3GdbGgQI (B: s (3eQcR GdHMhK hGdOQGSGJ GdSjGSjI , s, 1988)
Keywords: (3GdYGde GdYQHis; (3GdGbdjGJs; (3GdGSJbQGQ GdGLJeGYis