Santos GN dos, Grützmann TP, Soares MA da S. STUDY ON LINEAR SYSTEMS FROM THE PERSPECTIVE OF SEMIOTIC REPRESENTATION RECORDS. RPEM [Internet]. 2021 Sep. 30 [cited 2026 Oct. 12];10(22):242-66. Available from: https://periodicos-hml.unespar.edu.br/rpem/article/view/6299