(3eHOC GdeTQhYjI aj GdfXGe GdESdGej hGdCfXeI GdbGfhfjI GdeYGUQI (B:s (3OQGSI ebGQfI (B: ((3GdfXGe GdEfLdjRj, GdfXGe GdaQfSj, GdfXGe GdShajJj(B) /s - (3Ydj, YHO GdLdjd eMeOs ((3GdbGgQI (B:s (3YGde GdcJH,s, 1984)
(3HHdjhLQGajI (B: (3U(B. 346-356.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdfXe GdbGfhfjIs; (3GdESdGe hGdbGfhf GdOSJhQjs; (3GdfXGe GdSjGSj aj GdESdGes