Villacís Lascano, Jaime David, and Miguel José Vivas-Cortez. “Khalil Conformable Fractional Derivative and Its Applications to Population Growth and Body Coolingin Models”. Selecciones Matemáticas 9, no. 01 (July 27, 2022): 44 - 52. Accessed May 3, 2024. https://revistas.unitru.edu.pe/index.php/SSMM/article/view/4331.