Tellah, Madjina, Seydou Blagna, Khadidja Hassaballah, Michel Assadi, Youssouf Mopate Logtene, and Hamidou Boly. 2022. “Influence Factors of the Postpartum Cyclicities of the Local Cows at Mandelia Cattle Farm in the Sahelian Zone of Chad”. International Journal of Livestock Research 12 (11). India:19-25. https://ijlr.org/ojs_journal/index.php/ijlr/article/view/130.