PBL.UCI.EDU has 8 keywords

Second position — 2 keywords

Keywords Analytic

the 2th position for pbl.uci.edu

#	Keyword	Results	Change	Check Date
2	problem-based learning	228 000 000	0	2014-05-27
2	problem-based	539 000 000	6	2014-07-13

positions above than 3th pbl.uci.edu

#	Keyword	Results	Change	Check Date
5	problem based learning	168 000 000	-1	2013-11-16
14	pbl	7 630 000	0	2013-11-15
27	student base 1	97 300 000	0	2014-04-03
30	problemler	3 740 000 000	0	2014-07-22
31	problemy	3 700 000 000	0	2014-07-10