N. Wongsitthipornrung and S. Thanaphatchottiwat, “THE DEVELOPMENT OF ENGLISH INSTRUCTIONAL PACKAGE FOR ENHANCING THE KNOWLEDGE AND UNDERSTANDING ON PART OF SPEECH FOR PRATOMSUKSA 6 STUDENTS, ANUBANPANGMAKHA SCHOOL”, JBER, vol. 9, no. 1, pp. 63–76, Mar. 2023.