I think that before the changes, or to compete in the ASEAN countries. Each country should have a national population development in both the languages. Study on the public expenditure and revenue
I think that prior to the change or event in the ASEAN countries. ใแ each country should develop local population's language, education and income of the people.
I think before the change or competition in ASEAN countries. Where each country should have developed population in the country the language, education, and income of people.