1. Akpootu, D. O., & Abdullahi, Z. (2022). Development of Sunshine Based Models for Estimating Global Solar Radiation over Kano and Ikeja, Nigeria. FUDMA Journal of Sciences, 6(3), 290-300. https://doi.org/10.33003/fjs-2022- 0603-1001
2. Akpootu, D. O., & Iliyasu, M. I. (2015a). A comparative study of some meteorological parameters for predicting global solar radiation in Kano, Nigeria based on three variable correlations. Advances in Physics Theories and Applications, 49, 1–9.
3. Akpootu, D. O., & Iliyasu, M. I. (2015b). The impact of some meteorological variables on the estimation of global solar radiation in Kano, North Western, Nigeria. Journal of Natural Sciences Research, 5(22), 1–13.
4. Akpootu, D. O., & Momoh, M. (2014). Empirical model for estimating global solar radiation in Makurdi, Benue State, North Central Nigeria. Paper presented at the 36th Annual Nigerian Institute of Physics, National Conference, University of Uyo, Nigeria. 26th -29th May, 2014.
5. Akpootu, D. O., & Mustapha, W. (2015). Estimation of Diffuse Solar Radiation for Yola, Adamawa State, North-Eastern Nigeria. International Research Journal of Engineering and Technology, 2(8), 77-82.