Tucker, Catlin R. Blended learning in grades 4-12 : leveraging the power of technology to create student-centered classrooms / Catlin R. Tucker. - Thousand Oaks, Calif. : Corwin Press, c2012. - xxv, 245 p. : ill. ; 26 cm. Pusat Pengajian Bahasa dan Pembangunan Insaniah. Includes bibliographical references and index. ISBN: 9781452240862 Subjects--Topical Terms: Blended learning.Student-centered learning.