Youssouf, Issa, Mopate Logtene Youssouf, Djougui Soumarkamla, and Missohou Ayao. 2012. “Traditional Poultry Supply and Marketing in the City of N’Djamena in Chad”. International Journal of Poultry Science 11 (5): 341–348. https://doi.org/10.3923/ijps.2012.341.348.