BioQUEST Additional information on the BioQUEST 3P's approach to science education (Peterson and Jungck, 1988) is available at: http://bioquest.org/index3ps.html
PBL Clearinghouse This site presents a collection of problems and articles to assist educators in using problem-based learning. https://www.mis4.udel.edu/Pbl
Center for Problem-Based Learning A clearinghouse of information about PBL in undergraduate and professional education as well as for peer-reviewed instruction of Problem-Based Learning http://www.samford.edu/pbl/