Sirisak chertkiattipol และ Tanya Niyamapa; Vilas Salokhe. (2008) Study on the Characteristics of Torque Acting on Rotary Sharft of Three Types of the Rotary Blades. <i>Thai Agricultural Research Journal</i>, <i>26</i>(2), 146-163.Sirisak chertkiattipol และ Tanya Niyamapa; Vilas Salokhe. "Study on the Characteristics of Torque Acting on Rotary Sharft of Three Types of the Rotary Blades". Thai Agricultural Research Journal 26 (2008):146-163.Sirisak chertkiattipol และ Tanya Niyamapa; Vilas Salokhe. Study on the Characteristics of Torque Acting on Rotary Sharft of Three Types of the Rotary Blades. Department of Agriculture:ม.ป.ท. 2008.