Sillero, Ulysses S., and Elena J. Sillero. “Utilization of Hand- Powered Corn Sheller: A Boon to Farmers Corn Growers”. JPAIR Multidisciplinary Research 3, no. 1 (September 17, 2009): 249–259. Accessed November 5, 2025. https://philair.org/index.php/jpair/article/view/95.