Procurement materials and services for the Water Supply Repair/Rectification and Replacement of pump motor to for Philippine Science High School - Central Mindano Campus Procurement and Delivery of textbooks entitled "The Concept of Integrated Science" by Hewitt P., Lyons. S and Suchoki, J, For Philippine Science High School - Central Mindanao Campus Procurement of "History of the World" 7th Edition by William Duiker and Jackson Spielvogel For Philippine Science High School - Central Mindanao Campus Procurement and Delivery of textbooks entitled "Physics" by John D. Cutnell and Kenneth W. Johnson 9th Ed., for Philippine Science High School - Central Mindanao Campus Procurement and Delivery of textbooks entitled "Elementary Statistics: A Step by Step Approach" 8th Ed. by Allan G. Bluman for Philippine Science High School - Central Mindanao Campus Procurement and Delivery of textbooks entitled "Earth Lab: Exploring the Earth Sciences" 3rd Ed. by Owen/Pirie/Draper for Philippine Science High School - Central Mindanao Campus