Patchrin. (2004). the use of a communications strategy to communicate, the ability to listen-speak.Kansue and tactics in English communication education in undergraduate University in Chiang Mai.
Patchrin. (2004). The use of communication strategies for communication, ability to listen - speak English and communication strategies for the communication of a degree. University.
Patchrin. (2004). The use of communication strategies for the communication ability of listening and speaking English and strategies in communication in the communication of the undergraduate education. University.