00775nam a2200217Ia 4500 301139 20190320020858.0 101202s2009 pr 1 0 spa 9780982319116 Arecibo Biblioteca 20.00 370.72 M491c Medina Diaz, María del R. 134549 Local Construcción de cuestionarios para la investigación educativa María del R. Medina Díaz. 1a ed., 2010. San Juan,PR Experts Consultants 2010. 179 p. 21.5 cm. Includes bibliographical references and index. Questionnaries - - Methodology. 266961 Local Education Research Local 90455 Educational statistics Local 90548 251350 251350 0 0 ddc 0 370_720000000000000_M491C 0 abpr 41858 1 1 B 2016-05-27 University Books 20.00 457503 0 370.72 M491c 60000010116116 2016-05-27 00:00:00 r:301139 23