Suárez-Aguilar, Z.-E. , Sepúlveda-Delgado, O. and Aldana-Bermúdez, E. 2025. Development of the schema for the differential of a function of several variables. International Journal of Innovative Research and Scientific Studies. 8, 10 (Oct. 2025), 139–150. DOI:https://doi.org/10.53894/ijirss.v8i10.10768.