Engineering Students' Mathematical Understanding Based on the Quality of Mathematical Connections Activated to Solve Tasks about Function's Graph and Its Derivative - Camilo Andrés Rodríguez-Nieto; Flor Monserrat Rodríguez-Vásquez; Vicenç Font Moll; Sudirman Sudirman; Benilda María Cantillo-Rudas (Educational Process: International Journal, 2025)