656920.fig.003a
(a)
656920.fig.003b
(b)
656920.fig.003c
(c)
Figure 3: Global attractivity of system (80) with , , and . (a) Positive solution with tends to the other positive solution with for . (b) Positive solution with tends to the other positive solution with for . (c) Positive solution with tends to the other positive solution with for .