Merino-Toapanta, Andrés Esteban, Mario Edmundo Cueva-Almeida, Narcisa Marisol Sarmiento-Sarmiento, and Ana Maribel Paredes-Proaño. 2022. “Analysis of the Concepts of Variable and Constant in the Students of the Bachillerato General Unificado of Ecuador ”. 593 Digital Publisher CEIT 7 (4-2):175-85. https://doi.org/10.33386/593dp.2022.4-2.970.