Souliya, T., Phanfongpet, S., Lamphaiphan, K., Sidavong, K. and Vatthanavong, P. 2021. Demotivating Factors on English Speaking of English Program Students, Faculty of Education, Souphanouvong University. Souphanouvong University Journal Multidisciplinary Research and Development . 7, 2 (Dec. 2021), 273–284.