Soviadan, Mawussi Kossivi, et al. “Extensive and Improved Traditional Poultry Farming in Togo: A Comparative Analysis of Socioeconomic Characteristics of Farmers”. European Scientific Journal, ESJ, vol. 17, no. 35, Oct. 2021, p. 274, doi:10.19044/esj.2021.v17n35p274.