TY - GEN AU - Cohen,Louis AU - Manion,Lawrence AU - Morrison,Keith TI - Research methods in education SN - 9780415583350 (hbk.) U1 - 370.72 22 PY - 2011/// CY - London PB - Routledge KW - Education KW - Research KW - Methodology KW - Great Britain KW - methods KW - Research Design N1 - Previous ed.: 2007; Includes bibliographical references and index ER -