Bowgren, Linda. Differentiated professional development in a professional learning community / Linda Bowgren, Kathryn Sever. - Bloomington, IN : Solution Tree Press, 2010. - xvi, 151 p. ; 23 cm. Includes bibliographical references and index. ISBN: 9781934009611 (perfect bound) 9781935249276 (library binding) RM122.21 Subjects--Topical Terms: Teachers--In-service training.Teachers--Professional relationships.Professional learning communities.