(3TQM aUhd CHbQGW (B/ s - (3GHf GdfajS (B: (3YdGAGdOjf Ydi Hf GHi GdMRe GdbQTi GdOeTbi GdTGaYis ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1991)
Keywords: (3JGQjNs; (3GdWHs; (3GdYdGLs; (3GdGeQGV, Ydes