found: Work cat.: Jungraithmayr, H. Lexique mokilko ... 1990.
found: Ethnologue, 1992:p. 225 (Mokulu (Mukulu, Mokoulou, Djonkor Guera, Dyongor Guera, Diongor Guera, Jonkor-Gera, Mokilko); Afro-Asiatic, Chadic, East, B, B.2)
found: Thes. of African languages, 1987:p. 25 (Mokulu (Mokolo, Jongor jebel geira, Jonkor gera, Djonkor guéra); Migama, Jegu and Mokulu are known also under the Arabic cover-name Jongor (Jonkor, Djonkor, Djongor))
found: McKone, L. Dictionnaire visuel français - guerguiko - arabe tchadien, 2011(Visual dictionary French - Guerguiko - Chadian Arabic)
found: Ethnologue, 2017(Mukulu, a language of Chad; moz; UF Diongor Guera, Djonkor Guera, Dyongor Guera, Gergiko, Guerguiko, Jonkor-Gera, Mokilko, Mokoulou, Mokulu; Guéra region; Afro-Asiatic, Chadic, East, B, B.2)
notfound: Curr. trends ling.;Fivaz