- XP Math Series (Book 1) for Secondary Schools (
), Vibal Publishing, 2007.__Chapter 3 - Introduction to Algebra__

- XP Math Series (Book 2) for Secondary Schools (
), Vibal Publishing, 2007.__Chapter 1- Exponents and Radicals, Chapter 9 - Sequences and Series__

- XP Math Series (Book 3) for Secondary Schools (
), Vibal Publishing, 2007.__Chapter 6 - Polygons__

- XP Math Series (Book 4) for Secondary Schools (
), Vibal Publishing, 2007.__Chapter 4, Polynomial and Rational Functions__

- PRE-CALCULUS Textbook for Freshman Mathematics (
), Ateneo de Manila University Press, 2011.__Chapter 7 - Applications of Trigonometry and Polar Coordinates__