Here are a few resources for learning Chadian Arabic.
Lexicons (Dictionaries)
Lexique (dictionnaire)
arabe tchadien — français,
11e édition, 2021 (fichier
PDF - 1.2 Mo)
An Android App of this edition of the Lexicon which includes English definitions is available to download from the Google Play Store at this link:
https://play.google.com/store/apps/details?id=org.sil.shu.arabe.tchadien.lexique.dictionnaire.lift
Lexique (dictionnaire)
arabe tchadien — français
(fichier PDF - 825 Ko)
Chadian Arabic — English
Lexicon (Dictionary)
(fichier PDF - 810 Ko)
Learning English / Chadian Arabic
Let’s speak English - Nikallumu Ingliizi
(fichier PDF - 3,6 Mo)