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

???????, ??????????.  (2559).  ?????????????????? Bacillus subtilis TN 51 ??????????????????????. ????????????????????????????, ???????????????????????????????, ????????. Retrieved from http://etheses.psru.ac.th/lib-irpsru/?q=en/node/1074

??????, ?????.  (2545).  ???????????????? Thermocouple pyrometer ?????????????????? ??-???????????????????????. presented at the 2545, ????????: ???????????????????????.