The document is from the Universidad Tecnica de Machala Academic Unit of Chemical Sciences and Health Medicine School. It lists the names of 5 students - William Cruz, Kevin Herrera, Jorge Pacheco, Angie Chamba, and Sonia Quijilema - who are taking an English class on cor pulmonare in the eighth semester 'A' class taught by teacher Mgs. Barreto Huilcapi Lina Maribel in Machala, El Oro, Ecuador in 2018.