Gravina, Richard; Nelezek Barko, Robert; Tchalalao Abina, Robert | Mbuko lexicon | 2003 | | Linguistics |
Boydell, Alan; Gravina, Richard; Doumok, Elie | Merey provisional lexicon | 2003 | | Linguistics |
Gravina, Richard | Proto-Central Chadic Reconstructions | 2015 | | Linguistics |
Gravina, Richard; Gravina, Susan | Dictionnaire Mbuko | 2016 | | Linguistics |
Gravina, Richard | Proto-Central Chadic Dictionary | 2015 | | Linguistics |
Gravina, Richard | Merey lexicon | 2003 | | Linguistics |
Gravina, Richard; Nelezek Barko, Robert; Tchalalao Abina, Robert | Mbuko - French - English lexicon | 2003 | | Linguistics |