Z. Hu, H. Wang, F. Liao and W. Ma, Stability analysis of a computer virus model in latent period, Chaos Solitons and Fractals, 75(2015), 20-28..

B. G. Sampath Aruna Pradeep, W. Ma and S. Guo, Stability properties of a delayed HIV model with nonlinear functional response and absorption effect, J. Natl. Sci. Found. Sri Lanka, 43(2015), No.3, 235-245..

T. Zhang, W. Ma and X. Meng, Dynamical analysis of a continuous-culture and harvest chemostat model with impulsive effect, J. Biol. Syst., 23 (2015), 555–575..

F. Li, W. Ma, Z. Jiang and D. Li，Stability and Hopf bifurcation in a delayed HIV infection model with general incidence rate and immune impairment，Comput. Math. Methods Medicine，2105(2015), ID 206205, 14 pages..

Z. Jiang and W. Ma, Delayed feedback control and bifurcation analysis in a chaotic Chemostat system, Int. J. Bifurcat. Chaos, 25(2015), No.6, 1550087 (13 pages)..

B. G. Sampath Aruna Pradeep and W. Ma, Global stability analysis for vector transmission disease dynamic model with non-linear incidence and two time delays. J. Interdisciplinary Math. 18 (2015), No. 4, 395–415..

T. Zhang, W. Ma, X. Meng and T. Zhang, Periodic solution of a prey–predator model with nonlinear state feedback control, Appl. Math. Comput., 266 (2015), 95–107..

Y. Liu, W. Ma, Magdi S. Mahmoud and S. M. Lee, Improved delay-dependent exponential stability criteria for neutral-delay systems with nonlinear uncertainties, Appl. Math. Modelling, 39(2015), 3164-3174..

B. G. Sampath Aruna Pradeep and W. Ma, Global stability of a delayed Mosquito- transmitted disease model with stage structure, Elect. J. Differ. Equations, 2015 (2015), No. 10, 1-19..

J. Dong and W. Ma, Sufficient conditions for global attractivity of a class of neutral Hopfield-type neural networks, Neurocomputing, 153(2015), 89-95..