Seyfarth, John T.

Personnel management for effective schools / by: Seyfarth, John T. (書目-語言資料,印刷品)

Human resource leadership for effective schools / by: Seyfarth, John T.; Seyfarth, John T. (書目-語言資料,印刷品)

The principal : = new leadership for new challenges / by: Seyfarth, John T. (書目-語言資料,印刷品)