et. al., Abd alsatar Khlil Maroof,. 2021. “Estimation Pre-Equilibrium Particle and Angular Distribution Spectra for the Neutrons Induce Nuclear Reactions on 90Zr Nuclei by Using (FKK) Model”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (5):2001-8. https://turcomat.org/index.php/turkbilmat/article/view/2288.