Sunasuan, P., Pansuppawat, T., Manaratchasak, M. and Nillapun, M. (2020) “GUIDE TO THE DEVELOPMENT OF THE INTENSIVE ENGLISH PROGRAM FOR GRADUATE STUDENTS AT THE SILPAKORN UNIVERSITY IN THAILAND”, PUPIL: International Journal of Teaching, Education and Learning, 4(2), pp. 171–192. doi: 10.20319/pijtel.2020.42.171192.