(3hGSdGeGg (B/ s - (3jhSa eUWai GdbGVis ([S.N] : (3OGQ GdeQjN ddfTQ , s, 1981)
Keywords: (3GdYUQ GdMOjKs; (3GdfRGY GdYQHi GdGSQGFjdis; (3adSWjfs; (3GdbVjI GdadSWjfjIs