CastaƱeda-Miranda, V.H., Luque-Vega, L.F., Lopez-Neri, E., Nava-Pintor, J.A., Guerrero-Osuna, H.A., Ornelas-Vargas, G., 2021. Two-Dimensional Cartesian Coordinate System Educational Toolkit: 2D-CACSET 21.. https://doi.org/10.3390/s21186304