Adeniji, A. E., Njah, A. N., & Olusola, O. I. (2026). Regional and Seasonal Variation of Chaotic Features in Hourly Solar Radiation Based on Recurrence Quantification Analysis. Journal of Applied Nonlinear Dynamics, 9(2), 175-187. https://doi.org/10.5890/JAND.2020.06.002