TY - BOOK AU - Gall, Meredith AU - Gall, Joyce P. AU - Borg, Walter TI - Educational research : : an introduction SN - 0-205-48849-8 (cb.) PY - 2007/// CY - Boston PB - Pearson KW - Education KW - Research N1 - Includes appendices, bibliographies, glossary & indexes ER -