Nguyen The Dung 2017. REFRESHER TRAINING FOR TEACHERS IN THE FORM OF B-LEARNING TO IMPROVE THEIR COMPETENCE OF USING INFORMATION TECHNOLOGY IN TEACHING - A CASE STUDY. UED Journal of Social Sciences, Humanities and Education. 7, 4 (Dec. 2017), 31-36. DOI:https://doi.org/10.47393/jshe.v7i4.802.