3[4]Larry R.Irons,Robert Keel,Cheryl L.Bielema.Blended Learning and Learner Satisfaction:Keys to User Acceptance?http://www.usdla.org/html/journal/DEC02_Issue/article04.tml.2002.12
4[5]Boyle,T.,Bradley,C.,Chalk,P.,Jones,R.,& Pickand P.(2003).Using blended learning to improve student success rates in learning to program,Journal of Educational Media,Special edition on Blended Learning,28 (2-3).