(3RZGQjO aj YdHI UajM (B: s (3TYQ (B/ s - (3GdbehOj, YHO GdeLjOs ((3WQGHdS (B( (3djHjG (B) :s, 1983)
Keywords: (3GdTYQ GdYQHjs; (3GdYUQ GdMOjKs; (3djHjGs