(3GdOQGSI GdTGedI dWQb GdMQjQ WQb MhGQ (B((3GdjhfSch(B): (3GdfOhI GdYdejI GdYGdejI HGdbGgQI (B/ s - (3MSf GdHGTGs; (3Ydi QVhGf (B((3GYOGO(B)s ([S.N] : (3eWHYI LGeYI GdbGgQI , s, 1990)
Keywords: (3eUQs; (3GdJHGOd GdJLGQis; (3UfGYI hJLGQIs; (3GdMQjQs; (3GdWQb GdJLGQjIs