01045cam a2200361 i 4500 000045436 4612 20030227150744.0 010326|1999 vm 000 eng 1853465771 (spira IRC IRC IRC eng 373.1200941 HA-A Harris, Alma. Effective subject leadership in secondary schools : a handbook of staff development activities / Alma Harris. London : David Fulton, 1999. 104 p. Education. Secondary education. High school teachers. Education, Secondary Great Britain. High school teachers Training of Great Britain. High schools Great Britain Administration. DUT From the UDN01 Monograph Printed language Mạng thư viện Đại học Đà Nẵng