Fundamental algebra, trigonometry, and calculus.

provides bundles that include Gillesania's work alongside other essential authors like Besavilla to cover structural analysis and hydraulics.

Highway engineering, safety analysis, and accident analysis.

If you are a civil engineering student, particularly in the Philippines, you have likely heard a senior or a board exam topnotcher whisper a sacred code: “Gillesania.”

The book is widely available through various academic platforms and retailers: