Herrera Castrillo, Cliffor Jerry, and Norman Rafael López Sánchez. “Applications of Partial Derivatives in Economics: Consumer Utility Function (satisfaction With Consumption)”. Journal of Administrative Science 7, no. 13 (July 5, 2025): 16–22. Accessed July 17, 2025. https://repository.uaeh.edu.mx/revistas/index.php/jas/article/view/14405.