TY - BOOK TI - Staying ahead: in-service training and teacher professional development SN - 9264160760 AV - LB1731 .S7126 1998 PY - 1998///. CY - Paris PB - Organisation for Economic Co-operation and Development KW - Teachers KW - In-service training N1 - Includes bibliographical references (p. 174-176). ER -