http://repository.uhamka.ac.id/id/eprint/13680/
Correlation B etween students creative Thinking Ability in solving Environmental
Problem with Achievement of Environmental Education
Meitiyani, Meitiyani
http://repository.uhamka.ac.id/id/eprint/13680/1/Peer%20Review_Pak%20Budhi.Kreatif%20thinking-solving%20problem.pdf