Trochim, William M. K.

Research methods :the concise knowledge base / by: Trochim, William M. K. (書目-語言資料,印刷品)

Research methods knowledge base / by: Donnelly, James P.; Trochim, William M. K. (書目-語言資料,印刷品)

Concept mapping for planning and evaluation / by: Trochim, Mary Kane.; Trochim, William M. K. (書目-語言資料,印刷品)