Khattak, Mansoor Khan, Fahim Ullah, Muhammad Jamal Khattak, Said Wahab, Muhammad Saeed, and Ijaz Ahmad Khan. 2018. “Effect of Tillage Practices on Chickpea Productivity in Rotation With Wheat under Rainfed Semi-Arid Environment: Effect of Tillage Practices on Chickpea Productivity”. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences 55 (1):29-39. http://ppaspk.org/index.php/PPAS-B/article/view/220.