The first thing for ASEAN is language. Because 10 country are different languages, we need to use English for make a conversation and use for communicate. My preparation is to practice the English language in order to communicate. By studying English and reading newspapers and listening to English, to enhance skills in listening and reading. And chat with friends in English to enhance the skills of speech.
Following is the study of the culture of each country, such as culture greeting ;
Indonesian greet each other with a handshake, etc.