Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations and Boundary Value Problems. Tenth edition, International student version, Wiley, 2013.
Jeffrey, Alan. Essentials of Engineering Mathematics: Worked Examples and Problems. Chapman & Hall, 1992.
Salas, Saturnino L., et al. Calculus: One and Several Variables. Tenth edition, John Wiley & Sons.
Weir, Maurice D., et al. Thomas’ Calculus. 12th ed., Global ed, Pearson Education, 2010.