TY - BOOK AU - Gast,David L. TI - Single subject research methodology in behavioral sciences SN - 9780805862768 (hbk.) U1 - 300.72 PY - 2010/// CY - New York PB - Routledge KW - Single subject research KW - Psychology KW - Research KW - Educational psychology N1 - Includes bibliographical references and indexes ER -