Sao, B. T., and D. T. Mai. “MOTIVATION TYPES IN PREDICTING THE USE OF SECOND LANGUAGE LEARNING STRATEGIES BY ENGLISH MAJOR STUDENTS AT THE UNIVERSITY OF LANGUAGES AND INTERNATIONAL STUDIES – VIETNAM NATIONAL UNIVERSITY, HANOI”. VNU Journal of Foreign Studies, vol. 34, no. 5, Oct. 2018, doi:10.25073/2525-2445/vnufs.4306.