Analysis of information sources in references of the Wikipedia article "O'Higgins (vùng)" in Vietnamese language version.
Rancagua. City of Libertador General Bernardo O'Higgins Region.
[...] the provinces of San Felipe de Aconcagua, Colchagua and Valparaíso, as well as Libertador General Bernardo O'Higgins Region and [...]
In the dryland of the Libertador General Bernardo O'Higgins Region in Chile, most farmers rely [...]
In the dryland of the Libertador General Bernardo O'Higgins Region in Chile, most farmers rely [...]