Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 1419. Benefits Analysis Evaluation Procedure $20.00 1419. Benefits Analysis Evaluation Procedure quantity $20.00 × 1437. Shuttle-Optimized Space System Design $20.00 1437. Shuttle-Optimized Space System Design quantity $20.00 × 1436. A Stratospheric Platform - Substantial Advances of the STARS Project $20.00 1436. A Stratospheric Platform - Substantial Advances of the STARS Project quantity $20.00 × 1424. Behavior Modification in Supervision and Management $20.00 1424. Behavior Modification in Supervision and Management quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $80.00 Tax $0.00 Total $80.00 Proceed to checkout