Shopping basket > Review order Currently in your basket Before proceeding to checkout you will need you to either login or create an account. Your items will remain in your basket. USDItem TotalImproving Utilities with Systems Thinking: People, Process, and Technology Executive Summary (2,226 words) $0.00RemoveMembrane Bioreactors, MOP 36 Chapter 4: Membrane Bioreactor Process Design (11,300 words) $29.00RemoveManure Pathogens Chapter 8: Bacterial Pathogens in Animal Manure (6,508 words) $8.00RemoveInnovative Systems for Improving Collection System Asset Management (9 words) $11.50RemoveNet total: $48.50VAT: $0.00Gross total: $48.50 Payment info When you click the checkout button, you will be redirected to a secure Paypal page where you can either pay using an existing Paypal account, or pay by card without a Paypal account. Continue shopping We access Visa, Mastercard, Maestro, American Express all through Paypal.