This doctoral thesis has a short discussion of French language and education policy in their Vietnamese colonies: https://theses.hal.science/tel-02056541/docume

This doctoral thesis has a short discussion of French language and education policy in their Vietnamese colonies: https://theses.hal.science/tel-02056541/document#page=35 https://theses.hal.science/tel-02056541/document#page=35 Unsurprisingly, it's in French.