Pizarro Romero, J., Vera Quiñonez, S., Matamoros, J. A. y Sarmiento Chugcho, K. O. (2021) «Analysis of learning activities included in English text directed at students of Hospitality and Tourism», Horizontes. Revista de Investigación en Ciencias de la Educación, 4(16), pp. 512–522. doi: 10.33996/revistahorizontes.v4i16.133.