Yaemphurn, P. .; Poonnayom, P. .; Wattanjitsir, . V. .; Triwanapong, S. .; Kimapong, K. . Effect of Blade Geometries, Blade Amount, and Feed Direction on Palm Cutting Chip of Orbital Cutting Blade Palm Chopping Machine. j.eng.rmutt 2018, 16, 151-161.