Continuing professional development in the lifelong learning sector / Peter Scales ... [et al.]. - England : Open University Press, 2011. - xii, 160 p. : ill. ; 24 cm. Includes bibliographical references (p. [148]-154) and index. ISBN: 9780335238170 (pbk.) RM109.40 0335238173 (pbk.) Subjects--Topical Terms: Continuing education.Teachers--In-service training.