Comelli, C. F., & Sprovieri, P. F. (2022). SOFTWARE APPLICATION TO ASSIST TEACHER PRACTICE IN TEACHING TWO-VARIABLE LINEAR PROGRAMMING: the use of graphic semiotic representations to support the learning of the deterministic algorithm for solving two-variable linear programming problems. Revista Interface Tecnológica, 19(2), 367-379. https://doi.org/10.31510/infa.v19i2.1551