Silva , C. J. da, W. de A. Soares, S. M. L. Galdino, J. D. da Silva, and J. C. O. de Medeiros. “A Look at the Composition of Linear Transformations in the Language of Matrices, Some Types of Matrices of Order 2 Represented Geometrically in the R2 Plane”. Seven Editora, Apr. 2024, pp. 794-32, https://sevenpublicacoes.com.br/editora/article/view/4070.