Effects of combined linear and nonlinear periodic training on physical fitness and competition times in finswimmers
Journal of Exercise Rehabilitation. 2014;10(5):306-312 
Effects of Combined Training on Physical Fitness and Anthropometric Measures among Boys Aged 8 to 12 Years in the Physical Education Setting
Sustainability. 2019;11(5):1219
Self-trapped spatially localized states in combined linear-nonlinear periodic potentials
Frontiers of Physics. 2019;15(1):
Combined effects of disease and competition on plant fitness
Canadian Journal of Botany. 2000;78(5):646-654
Effects of Resuming Training Using Yoga on Physical Functions and Fitness of Taekwondo Athletes After High-intensity Training
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Effects of Intensity Modulated Total-Body Circuit Training Combined with Soccer Training on Physical Fitness in Prepubertal Boys After a 6-Month Intervention
Journal of Human Kinetics. 2021;80(1):207-222
Periodic solution and oscillation in a competition model with diffusion and distributed delay effects
Nonlinear Analysis: Theory, Methods & Applications. 1996;27(6):699-709
Time periodic traveling fronts of pyramidal shapes for periodic Lotka–Volterra competition–diffusion system
Nonlinear Analysis: Real World Applications. 2017;35:292-311
Control of discrete-time periodic linear systems with input saturation via multi-step periodic invariant sets
International Journal of Robust and Nonlinear Control. 2013;n/a-n/a
Length-scale competition for the one-dimensional nonlinear Schrödinger equation with spatially periodic potentials
Physical Review E. 1993;47(2):1375-1383