AMA research study
American Management Association
Research study
Elizabeth R. Floyd
American Management Association 1958 AMA research study no. 31
所蔵館8館
Richard D. Crisp
A.M.A. c1958 AMA research study no. 35
所蔵館7館
by Edward T. Curtis
American Management Association c1958 AMA research study no. 34
所蔵館13館
by C.L. Bennet
American Management Association c1958 AMA research study no. 33
所蔵館34館