Chiroma, H., Abdul-Kareem, S., Abubakar, A., Zeki, A. M., & Usman, M. J. (2014). Orthogonal wavelet support vector machine for predicting crude oil prices. Springer.

Chiroma, Haruna, Sameem Abdul-Kareem, Adamau Abubakar, Akram M. Zeki, and Mohammed Joda Usman. Orthogonal Wavelet Support Vector Machine for Predicting Crude Oil Prices. Springer, 2014.

Chiroma, Haruna, et al. Orthogonal Wavelet Support Vector Machine for Predicting Crude Oil Prices. Springer, 2014.