@inbook {5491,
	title = {Portfolio Assessment},
	booktitle = {Assessing Writing},
	year = {2002},
	pages = {197-229},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	chapter = {9},
	address = {Cambridge},
	keywords = {assessment, portfolio, writing},
	url = {http://books.google.com/books?hl=el\&lr=\&id=b6x_vQQR_-8C\&oi=fnd\&pg=PR10\&dq=Portfolio+Assessment+weigle+s\&ots=Y9keQjLVq-\&sig=W_xVSST0FknaQvBvJfJQXpUA0TI$\#$v=onepage\&q\&f=false},
	author = {Weigle, S.}
}
