(3NdajGJ GdJchjf GdbUUj aj djHjG (B: s (3OQGSI h fUhU (B/ s - (3GdgGTej, HTjQs ((3WQGHdS (B( (3djHjG (B) :s (3GdefTCI GdYGeI ddfTQ h GdJhRjY h GdEYdGf,s, 1984)
Keywords: (3GdbUU GdYQHjIs; (3GdJGQjN GdCOHjs; (3GdfbO GdCOHjs; (3djHjGs