1. Estimator's electrical man-hour manual Author/Creator: Page, John S. Publication/Creation: Houston, TX : Gulf Professional Pub., c1999 Resource Type: Book Edition: 3rd ed. Access & Availability: Loading
2. Estimator's equipment installation man-hour manual Author/Creator: Page, John S. Publication/Creation: Houston, Tex. : Gulf Publishing Co., c1999 Resource Type: Book Edition: 3rd ed. Access & Availability: Loading
3. Estimator's piping man-hour manual Author/Creator: Page, John S. Publication/Creation: Houston, TX : Gulf Professional Pub., c1999 Resource Type: Book Edition: 5th ed. Access & Availability: Loading