Jahanbakhshi, A., ., Tajari, B, Razdareh, S. H. and Kheiralipour, K. (2016) “Determination and comparison of drill seeder draft in different engine rotation speed, gear ratio and working depth”, International Journal of Agricultural Technology, 12(5), pp. 851–858. available at: https://li04.tci-thaijo.org/index.php/IJAT/article/view/6668 (accessed: 27 August 2025).