http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
effect of verbal praise and sensory reinforcers on the level of independence on selected components of physical fitness tasks by profoundly mentally retarded youth
Microfiche. Eugene : Microform Publications, College of Human Development and Performance, University of Oregon, 1991. 3 microfiches : negative ; 11 x 15 cm.
Includes bibliographical references (leaves 230-236).
Physical education for youth with mental disabilities