Borja, G. P. S. .; Rodríguez, M. A. M. .; Curay, E. F. S. .; Bonilla, C. del R. N. . Phonetic-Vowel Inference of Kichwa-Speaking People in the Province of Chimborazo Compared to the Use of Spanish by the Inhabitants of the Region. Migrat. Lett. 2023, 20, 1192-1203.