Piaget e a Psicologia do Desenvolvimento.

http://www.youtube.com/watch?v=jdpjGd_FulE
http://www.youtube.com/watch?v=zHeSaU_9ajQ
http://www.youtube.com/watch?v=UdiVfcMCFNc
http://www.youtube.com/watch?v=744O7tJ9PS0
http://www.youtube.com/watch?v=1z2hhcB83EI
http://www.youtube.com/watch?v=ZLPOosHlIrU