Y. Siangdang, J. Suntudprom, P. Junyusen, and T. Nuboon, “Specific Cutting Energies for Various Parts of Cassava Plants Obtained from the Pendulum Principle Adapted with Bi-Axial Cutting Force Measuring Device”, J. Adv. Dev. Eng. Sci., vol. 15, no. 44, pp. 94–108, Feb. 2026.