Optimal Time Delay in the Control of Epidemic. - Zhenggang Wang; Kwok Yip Szeto; Frederick Chi-Ching Leung (NICSO, 2008)

Effectiveness of Closure of Public Places with Time Delay in Disease Control. - Zhenggang Wang; Kwok Yip Szeto; Frederick Chi-Ching Leung (J. Integr. Bioinform., 2008)