Analysis of information sources in references of the Wikipedia article "Vietnamese alphabet" in English language version.
[6.1.2 French colonial science in Vietnam]: With the colonial era, deep changes took place in education, communication, and ... French colonizers installed a modern European system of education to replace the literary and Confucianism-based model, they promoted a romanized Vietnamese script (Quốc Ngữ) to replace the Sino-Vietnamese characters (Hán Nôm)