AL-Neama, Amer KH. 2010. “EFFECT OF USING 2WD AND 4WD MODES BY DIFFERENT SPEED ON NEW HOLLAND TT 75 FWA TRACTOR PERFORMANCE ”. Diyala Agricultural Sciences Journal 2 (2):203-9. https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3118.