Author
SpringerLink (Online Service)
205
ScienceDirect (Online service)
127
SpringerLink (Online service)
93
United States. Bureau of Mines
85
University of Kentucky. Behavioral Research Aspects of Safety and Health Working Group
85
National Center for Education Statistics
54
Ballator, Nada
41
Jerry, Laura
41
Rogers, Alfred
41
EBSCOhost
39
Films for the Humanities & Sciences (Firm)
39
Infobase
38
President's Council on Physical Fitness and Sports (U.S.)
34
Educational Testing Service
32
Ployhar, James D.
26
Educational Resources Information Center (U.S.)
24
National Institute on Aging,
21
Weber, Fred, 1912-
18
American College of Sports Medicine
17
McGraw-Hill (Online Service)
14
National Institute of Diabetes and Digestive and Kidney Diseases (U.S.)
13
Toy, Eugene C.,
13
Coggins, Willis
12
ProQuest (Firm)
12
United States. Office of Educational Research and Improvement
12
Andreescu, Titu, 1956-
11
Ebooks Corporation
11
Teachers TV (Television Channel)
11
Video Education Australasia
11
Maverick Television (Television network)
10
Oxford Scholarship Online
10
Center for Nutrition Policy and Promotion (U.S.),
9
Illinois Eastern Community Colleges. Coal Mining Technology
9
Lowry, Robert
9
National Assessment of Educational Progress (Project)
9
Porter, Neal
9
United States. Department of Health and Human Services
9
Weight-control Information Network (U.S.)
9
ERIC Clearinghouse on Reading and Communication Skills
8
Hovey, Nilo W., 1906-1986
8
Kazmaier, Dick
8
Kraemer, William J., 1953-
8
National Institute of Education (U.S.)
8
Vincent, Herman
8
Aebersold, Jamey
7
American College of Sports Medicine,
7
Colorado. Department of Public Health and Environment
7
National Heart, Lung, and Blood Institute
7
President's Council on Physical Fitness and Sports (U.S.),
7
Shephard, Roy J.
7
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