5 1 30 Domínguez-Gutiérrez, Silvia Primary Author Sánchez Ruiz, Enrique Ernesto Primary Author Sánchez de Aparicio y Benítez, Gabriel Arturo Primary Author mixed material 9789701073445 México McGraw-Hill Interamericana c2009 Guía para elaborar una tesis cover_gu-a-para-elaborar-una-tesis-20260929121344.jpg Zorrilla Arena, Santiago Primary Author Torres Xammar, Miguel Primary Author mixed material 9701001397 México McGraw-Hill Interamericana de México c1992 Guía para elaborar la tesis descarga98.jpg.jpg Herrera Colmenres, Efraín Fernando Primary Author mixed material [s. l.] [s. e.] [2009] protocolo_e_informe_de_investigaci%C3%B3n.jpg.jpg estructura y metodología Rivas Tovar, Luis Arturo Primary Author mixed material 9786071738813 México Trillas 2020 descarga_%2843%29.jpeg.jpeg la solucion a un problema Suárez Iñiguez, Enrique Primary Author mixed material 9786071741448 México Trillas c2021 descarga_%2842%29.jpeg.jpeg