Matematica pre-universitaria, teoria y problemas resueltos
Autor:Mamani espejo, EdilbertoSteps to Elementary Technical English for Students of Electronics and Electricity
Autor:Sánchez Torrez, JanethCurso Preuniversitario PAF 2017
Colaborador:Márquez Alba, Ramiro; Hernández Heras, José MiguelGUÍA PRACTICA DE MICROBIOLOGIA
Autor:Daza Tarqui Paola; Coaquira Yujra, Bensi