Nguyen, M.T.T., Renandya, W., Pham, T.T.T. and Pham, H.T. 2024. LEARNING HOW TO WRITE SOCIALLY APPROPRIATE EMAILS THROUGH TEXTBOOKS: AN EVALUATION OF INTERNATIONAL ENGLISH TEXTBOOKS. TEFLIN Journal. 35, 1 (Mar. 2024), 66–89. DOI:https://doi.org/10.15639/teflinjournal.v35i1/66-89.