Abankwa, E. O., M. K. Boadu, E. Amankona, and W. Z. Fatahia. “Design and Manufacture of A Manual Vertical Groundnut Roasting Machine”. AFRICAN JOURNAL OF APPLIED RESEARCH, vol. 11, no. 1, Jan. 2025, pp. 18-33, doi:10.26437/ajar.v11i1.823.