Cedeño Vargas, M., Mora Quirós, M. F., Olivares Garita, C., & Sandí Cruz, M. (2016). Effects of group work on the oral interaction of students enrolled in the course english integrated skills I (speaking/listening/reading) of the associate's degree in english at Universidad Nacional, Brunca extension, Pérez Zeledón Campus: A case study. Pérez Zeledón, Costa Rica: M. Cedeño V..

Cedeño Vargas, Mariela,, Melissa Fabiana Mora Quirós, Cinthya Olivares Garita, and Marianela Sandí Cruz. Effects of Group Work On the Oral Interaction of Students Enrolled in the Course English Integrated Skills I (speaking/listening/reading) of the Associate's Degree in English At Universidad Nacional, Brunca Extension, Pérez Zeledón Campus: A Case Study. Pérez Zeledón, Costa Rica: M. Cedeño V., 2016.

Cedeño Vargas, Mariela,, Melissa Fabiana Mora Quirós, Cinthya Olivares Garita, and Marianela Sandí Cruz. Effects of Group Work On the Oral Interaction of Students Enrolled in the Course English Integrated Skills I (speaking/listening/reading) of the Associate's Degree in English At Universidad Nacional, Brunca Extension, Pérez Zeledón Campus: A Case Study. Pérez Zeledón, Costa Rica: M. Cedeño V., 2016.