Thang, N.V. and Tam, N.T.M. 2020. THE REALIZATION OF THEMATIC PROGRESSION IN ONLINE IELTS WRITING TASK 2 SAMPLES IN AN ENGLISH-LEARNING WEBSITE: A CASE STUDY. VNU Journal of Foreign Studies. 36, 6 (Dec. 2020). DOI:https://doi.org/10.25073/2525-2445/vnufs.4634.