Ryan, George Drink more water/ by George Ryan - California: Bobit Business Media, 2017 - page 50-53 - Vol.41 No.3 (March 2017) - Police the law enforcement magazine page 50-53 Vol.41 No.3 0893-8989 . ISSN: 555569 Subjects--Topical Terms: Police - Physical fitness Dewey Class. No.: BPer.363.205 / P75