Sukchana, Thanaphol, and Natt Siriwattananon. 2021. “Development of a Sami-Automatic Phyllanthus Emblica Tapping Machine With Pneumatic System”. Journal of Engineering, RMUTT 19 (1):25-33. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/243798.