Al-Hamed, S. A., Wahby, M. F., Al-Saqer, S. M., Aboukarima, A. M., & Sayedahmed, A. A. (2013). ARTIFICIAL NEURAL NETWORK MODEL FOR PREDICTING DRAFT AND ENERGY REQUIREMENTS OF A DISK PLOW. Journal of Animal and Plant Sciences, 23(6), 1714-1724.