中国科学技术信息研究所--国家工程技术数字图书馆

the university of southern mississippi.(7)

walden university.(6)

capella university.(5)

tulane university.(4)

university of new orleans.(4)

fielding graduate university.(3)

mississippi state university.(3)

the university of north carolina at greensboro.(3)

the university of southern mississippi(3)

university of maryland college park.(3)

university of southern california.(3)

george mason university.(2)

howard university.(2)

massachusetts school of professional psychology(2)

northcentral university.(2)

rutgers the state university of new jersey - new brunswick.(2)

texas woman's university.(2)

the university of oklahoma(2)

tulane university school of science and engineering.(2)

university of california santa barbara.(2)

university of illinois at urbana-champaign.(2)

university of louisville(2)

university of north texas.(2)

university of phoenix.(2)

university of south carolina.(2)

university of wyoming.(2)

brenau university.(1)

capella university(1)

city university of new york(1)

clark university.(1)