Chaiyan Sirikun และ Grianggai Samseemoung. (2021) Development of a Variable-Rate Fertilizer Sprayer with Image Processing Technique by Unmanned Tractor Mounting for Modern Sugarcane Plantations. <i>Thai Socities of Agricultural Engineering Journal</i>, <i>27</i>(2), 19-26.Chaiyan Sirikun และ Grianggai Samseemoung. "Development of a Variable-Rate Fertilizer Sprayer with Image Processing Technique by Unmanned Tractor Mounting for Modern Sugarcane Plantations". Thai Socities of Agricultural Engineering Journal 27 (2021):19-26.Chaiyan Sirikun และ Grianggai Samseemoung. Development of a Variable-Rate Fertilizer Sprayer with Image Processing Technique by Unmanned Tractor Mounting for Modern Sugarcane Plantations. Thai Socities of Agricultural Engineering Journal:ม.ป.ท. 2021.