Porras-Chaverri, Mariela A., and Raquel Pocasangre-Fonseca. 2021. “Perception of Social Variables Related to Allophones of Taps and Trills: A Preliminary Study With Costa Rican Middle Class Speakers”. Cadernos De Linguística 2 (1):e593. https://doi.org/10.25189/2675-4916.2021.v2.n1.id593.