7JOHN R SAVERY. Overview of Problem - based Learning: Defi- nitions and Distinctions [ J ]. Interdisciplinary Journal of Problem - based Learning, 2006 ( 1 ) : 12.
8WOEI HUNG, DAVID H JONASSEN, RUDE LIU. Problem - Based Learning [ EB/OL]. [ 2013 - 01 - 12 ]. http : //www. msu. ac. zw/elearning/material/1354862322ER5849x_ C038. fro. pdf.
9XIANGYUN DU, ERIK DE GRAAFF, ANETI'E KOLMOS, et al. Research on PBL Practice in Engineering Education [ EB/OL]. [ 2012 -09 -10] . https: //www. sensepublishers, corn/media/ 891 - research - on - pbl - practice - in - engineering - educa- tion. pdf.
10MOHAMMAD ZAMRY JAMALUDINA, KHAIRIYAH MOHD YUSOFA, NOR FARIDA HARUNA, et al. Crafting Engineering Problems for Problem -Based Learning Curriculum [J]. Procedia - Social and Behavioral Sciences , 2012 (56) : 379 -381.
