Suphan Yangyuen และ Panuwat Khamprapai; Cherdpong Chiawchanwattana; Juckamas Laohavanich. (2018) A Cleaning and Grading Machine for Inca Peanut Seeds after Shelling Process. <i>Mahasarakham International Journal of Engineering Technology</i>, <i>4</i>(2), 37-40.Suphan Yangyuen และ Panuwat Khamprapai; Cherdpong Chiawchanwattana; Juckamas Laohavanich. "A Cleaning and Grading Machine for Inca Peanut Seeds after Shelling Process". Mahasarakham International Journal of Engineering Technology 4 (2018):37-40.Suphan Yangyuen และ Panuwat Khamprapai; Cherdpong Chiawchanwattana; Juckamas Laohavanich. A Cleaning and Grading Machine for Inca Peanut Seeds after Shelling Process. Faculty of Engineering, Mahasasakham University:ม.ป.ท. 2018.