Getting the Fundamental principles down will help you have a very good springboard for further scientific studies all on your own. Ensure the study course is carried out in Mandarin and not in English. English teachers who go to teach in China are expected to speak in English, not Chinese. https://www.mediafire.com/file/bxe5ege8ms619my/Shop_Indian_Groceries_in_Adelaide_at_Ethnic_Indian_Grocer/file