Panna Udomsilpa. 2000. The strategies used by Ramkhamhaeng University English majors in guessing the meaning of English words. Field of Study Communicative English, Ramkhamhaeng University;
Panna Udomsilpa. (2000) The strategies used by Ramkhamhaeng University English majors in guessing the meaning of English words . Ramkhamhaeng University/Bangkok.
Panna Udomsilpa. The strategies used by Ramkhamhaeng University English majors in guessing the meaning of English words. . Bangkok:Ramkhamhaeng University, 2000.
Panna Udomsilpa. (2000) The strategies used by Ramkhamhaeng University English majors in guessing the meaning of English words . Ramkhamhaeng University/Bangkok.