Creemers, Bert P. M. Methodological advances in educational effectiveness research / Bert P.M. Creemers, Leonidas Kyriakides, and Pam Sammons. - London ; New York : Routledge, c2010. - xiv, 361 p. ; ill. ; 24 cm. Pusat Pengajian Bahasa dan Pembangunan Insaniah. Includes bibliographical references and index. ISBN: 9780415481755 Subjects--Topical Terms: Education--Research--Methodology.