Azari Noghabi, M., S. M. R. Amirian, and G. Zareian. “Concurrent Group-Dynamic Assessment of Intermediate EFL Learners’ Receptive and Productive Vocabulary Size”. Porta Linguarum An International Journal of Foreign Language Teaching and Learning, no. 36, June 2021, pp. 119-37, doi:10.30827/portalin.vi36.15864.