A/Prof Abadi currently works at the Mathematics Department, Universitas Negeri Surabaya. Abadi does research in Mathematics Education and Applied Mathematics. His Research interest are Stability Analysis, Vibrations, Numerical Simulation, Bifurcation Analysis, Professional Development, Mathematics Education, Nonlinear Dynamics, Pedagogy, Mathematical Modelling, Modeling and Simulation.

AJ Edson is a research assistant professor of mathematics education. His research focuses on secondary school mathematics curriculum design and development using design-based research methodologies.

Sayooj Aby Jose is a postdoctoral researcher at Phuket Rajabhat University, Thailand. He focuses on researches related to Mathematical Modeling, Stability Theory, Population Dynamics & Epidemiology, Impulsive Differential Equations, Abstract and Fractional Differential Equations.