Fonseca Quesada F. Substitution Patterns of the English Voiced Interdental Fricative by L1 Costa Rican Spanish Speakers . isogloss [Internet]. 2024 Apr. 11 [cited 2026 Apr. 19];10(2):1-10. Available from: https://revistes.uab.cat/isogloss/article/view/v10-n2-fonseca