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Trape, Sébastien (בנובמבר 2013). "A study of the relict fish fauna of northern Chad, with the first records of a polypterid and a poeciliid in the Sahara desert". Comptes Rendus Biologies. 336 (11–12): 582–587. doi:10.1016/j.crvi.2013.10.001. ISSN1631-0691. PMID24296082. {{cite journal}}: (עזרה)
Gadom, Gadom Djal; Kountchou, Armand Mboutchouang; Araar, Abdelkrim (2018-07-25). "The impact of oil revenues on wellbeing in Chad". Environment and Development Economics. 23 (5): 591–613. doi:10.1017/s1355770x18000281. ISSN1355-770X.
Trape, Sébastien (בנובמבר 2013). "A study of the relict fish fauna of northern Chad, with the first records of a polypterid and a poeciliid in the Sahara desert". Comptes Rendus Biologies. 336 (11–12): 582–587. doi:10.1016/j.crvi.2013.10.001. ISSN1631-0691. PMID24296082. {{cite journal}}: (עזרה)
