(3GdJWhQ GdJGQjNi ddYeGQI ai GdTQb GdYQHi (B/ s - (3YHOGdHGbi GHQGgjes; (3MGRe eMeO GHQGgjes ([S.N] : (3eQcR GdOQGSGJ GdJNWjWjI hGdeYeGQjI , s, 1987)
Keywords: (3eUQs; (3GdShOGfs; (3GdYQGbs; (3GdTGes; (3GdYeGQI GdGSdGejIs; (3GdLRjQI GdYQHjIs