1. Biggs, J. (1999) Teaching for Quality Learning at University (pp. 165-203). Buckingham, UK: SRHE andOpen University Press.
2. Improving the effectiveness of teaching animal science;Kauffman;Journal of Animal Science,1971
3. Sim, S.M. Rasiah R. I, 2006. Relationship Between Item Difficulty and Discrimination Indices in True/False-Type Multiple Choice Questions of a Para-clinical Multidisciplinary Paper Ann Acad Med Singapore 35:67–71.
4. A survey of AulaWeb question types for continuous evaluation in a mandatory course;Villamide;Current developments in Technology-Assisted Education,2006
5. Villamide M.J., Carabaño R, García J., Alvir M., González J., Nicodemus N, Solís I., Saiz A. y. Menoyo D. (2007) Las plataformas educativas y la evaluación continua en asignaturas troncales: Hacia la adaptación al EEES I Jornada Internacional UPM sobre Innovación Educativa y Convergencia Europea (INECE’07) http://www.upm.es/innovacion/inece2007/pro.html. Madrid.(Spain).