Velho, F. dos S., and V. Schorghofer-Queiroz. “Teaching Oral Language to Intermediate Students of Portuguese As an Additional Language: A Didactic Sequence Proposal”. BELT - Brazilian English Language Teaching Journal, vol. 10, no. 1, Aug. 2019, p. e33108, doi:10.15448/2178-3640.2019.1.33108.