Onuwa, C. Godfrey, Vihi, K. Samuel, Binuyo, Ganiyu, Adedire, Oludare, Owa, T. Grace, Wuyep, Gloria and Dalla, Alexandar (2022) “Firm Efficiency and Return to Scale in Layer Production Among Smallholders in Jos-North, Nigeria”, UMYU Scientifica, 1(1), pp. 254–260. doi: 10.56919/usci.1122.032.