Fig. 1From: Existence and exponential stability of positive almost periodic solution for Nicholson’s blowflies models on time scales \(\mathbb {T}=\mathbb {R}.\) Numerical solution \(x_1(t)\) of system (7) for \((\varphi _1(0),\varphi _2(0),\varphi _3(0))=(1.2,1.25,1.2)\) Back to article page