Intrinsic motivation in physical education/ Benjamin Davies and 5 others. - Philadelphia: Shape America-Society of Health and Physical Educators, ŠSept 2015-Apr 2016. - v86, n8, pages 8-13: illustrations; 28 cm. JOPERD ISSN: 0730-3084 Subjects--Topical Terms: School discipline.-- Dewey Class. No.: DPer 613.705 J863 Sept 2015-Apr 2016 v. 86-87