Frontlearners Basic Calculus

Leithold, L. (1996). The calculus 7. Boston: Addison Wesley Longman Inc., reprinted-Pearson Education Asia Pte. Ltd.

OpenStax. (2016). Calculus olume 1. Retrieved from https://openstax.org/subjects/math

OpenStax, (2016). Calculus Volume 2. Retrieved from. https://openstax.org/subjects/math

OpenStax, Pre-Calculus. Retrieved from. https://openstax.org/subjects/math

Stewart, J. (2008) The calculus: Early transcendentals 6^th ed. California: Brooks/Cole.