ABSTRACT Anisa Rizkiya Ardiyanti : THE ANALYSIS OF INDONESIAN-ENGLISH CODES MIXING THAT USED IN RADITYA DIKA'S NOVEL, "MARMUT MERAH JAMBU". Advisor : Prof. Dr. Agus Wardhono, M.Pd. Key Words : code mixing, form, purpose As the social people, communication is the most important aspect in human being life. Through communication people can interaction each other. To do this, people need a code …