Aubrey, Karl. Understanding and using educational theories / Karl Aubrey, Alison Riley. - 1 st ed - Thousand Oaks, CA : SAGE Publications, 2015. - pages cm ISBN: 9781473905900 (pbk. : alk. paper) 9781473905894 (hardback : alk. paper) LCCN: 2015935199 Dewey Class. No.: 378.125