Bueno, Roberto Rodrigues, et al. “Stress Placement and Unstressed Vowel Production in English Neutral Suffixes by Brazilian Learners”. MATRAGA - Journal Published by the Graduate Program in Letters at Rio De Janeiro State University (UERJ), vol. 24, no. 41, Aug. 2017, pp. 438-62, doi:10.12957/matraga.2017.28601.