G. Bekele, D. Woyessa, A. Keberedin, W. Tafa, and A. Tsegaye, “Development of Tractor Drawn Combined Tillage Implement”, Am. J. Adv. Mater. Res., vol. 1, no. 1, pp. 21–26, Oct. 2025, doi: 10.54536/ajamr.v1i1.5879.