Retraction notices

Comparison of problem solving with problem posing learning models of student learning outcomes in the concept of the periodic system

Type
Retraction
Notice date
7/29/2010 0:00
Journal
2010 2nd International Conference on Education Technology and Computer (ICETC)
Publisher
IEEE: Institute of Electrical and Electronics Engineers
Notice DOI
10.1109/icetc.2010.5529508
Original paper DOI
10.1109/icetc.2010.5529508

Reasons