Onuwa, C. Godfrey, Vihi, K. Samuel, Binuyo, Ganiyu, Adedire, Oludare, Owa, T. Grace, Wuyep, Gloria, and Dalla, Alexandar. “Firm Efficiency and Return to Scale in Layer Production Among Smallholders in Jos-North, Nigeria”. UMYU Scientifica, vol. 1, no. 1, Sept. 2022, pp. 254-60, doi:10.56919/usci.1122.032.