Ramírez Bravo, R. (2023): Didactics of argumentative and counterargumentative discourse markers. University of Nariño. Ramírez Bravo, R. (2020): Sensitive reason for reading and writing. Pasto: Editorial Universidad de Nariño. ISBN 978-958-5123-26-7. Ramírez Bravo, R. (2012): Brief history and perspectives of argumentation, University of Nariño, Pasto, Editorial Universitaria, 223 pages, ISBN: 978-958-9479-86-5. Second edition. Ramírez Bravo, R. (2010): Didactics of language and written argumentation, University of Nariño, Pasto, Editorial Universitaria, 260 pages, ISBN: 978-958-8609-19-5.