TY - BOOK AU - Cooper,Harris M TI - Synthesizing research: a guide for literature reviews T2 - Applied social research methods series SN - 0761913475 U1 - 300.72 PY - 1998/// CY - Thousand Oaks, Calif. PB - Sage KW - Investigación social N1 - Rev. ed. of: Integrating research. 2nd ed. c1989; Incluye bibliografía ER -