@inbook{ Valenzuela:179-203,

author = { Juan Valenzuela Valdés } ,

title = { Cap 9:Motivation on Problem Based Learning },

booktitle = { Handbook of Research on Applied E-Learning in Engineering and Architecture Education },

isbn = { 978-1-4666-8803-2 },

publisher = { Igi Global },

pages = { 179 - 203 },

year = { 2016 },

}