????????, ??????.  (2561).  ???????????????????????????????????????????? Line@ ??? ???????????????????????????? ????????????????????????????. ????????: ????????????????????????????. Retrieved from http://etheses.psru.ac.th/lib-irpsru/?q=th/node/888

Andrew, L. Sweeney.  (2560).  using task-based learning approach and drama to improve communicative competence for students at pibulsongkram rajabhat university. ????????????????????????????. ????????????????????????????, ????????.