SILVERMAN, F. H. Self-Publishing Textbooks and Instructional Materials: A Practical Guide to Successful – and Respectable – Self-Publishing. Education Review, [S. l.], 2015. DOI: 10.14507/er.v0.597. Disponível em: https://edrev.asu.edu/index.php/ER/article/view/597. Acesso em: 5 may. 2024.