5Columba.L and Dolgos.K A.(1995).Portfolio assessment in mathematics."Reading Improvement".32(3).174-176.www.askeric.com
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7Gilman. D. A.,Andrew. R. and Rafferty.C. D. (1995). Making assessment a meaningful part of instruction. "NASSP Bulletin, " 79(573), 20 -24
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9Koretz, Daniel(1994) ."The evolutionof a portfolio program: The impact and quarry of he Vermont Portfolio Program in its aecond year(1992 - 1993) . " (ERIC Document Reproduction Service No. ED 379 301 )
