South-Western, [1] |
Southern Illinois University Press, [1] |
Southern Illinois University, [1] |
Southern Illinois University, School of medicine, [1] |
Southern Newspaper Publishers Association Foundation, [1] |
Southern Regional Education Board, [3] |
SPES, [1] |
Springer Publishing, [1] |
Springer, [1] |
SRI International, [1] |
St-Patrick's College, Educational Research Centre ; Boston College, School of Education, [1] |
Standford University Press, [3] |
Stanford center for opportunity policy in education, [1] |
Stanford University, [1] |
Stanké, [5] |
Starno, [1] |
State University of New York Press [1] |
State University of New York Press, [2] |
State University of New York, [1] |
Statistics Canada ; Council of Ministers of education, Canada, [1] |