“Determination of some Physical Properties, Angles of Repose and Frictional Properties of a Local Variety of Kernel and Nut of Oil Palm ”, NIJOTECH, vol. 41, no. 2, pp. 365–369, Apr. 2022, Accessed: Apr. 28, 2026. [Online]. Available: https://www.nijotech.com/index.php/nijotech/article/view/2899