Watcharachan Sukcharoenvipharat and Prathuang Usaborisut and Sirisak Choedkiatphon, Comparative Study on Soil Tillage Using Rotary Tiller and Power Harrow. journal = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2017, vol. 130(10). 744 - 747 [viewed 27 September 2024]. Available from: https://publications.waset.org/pdf/10008098.