By Cantrell Pamela   Knudson Mark S.   in Computers in the Schools

ISSN:0738-0569|23|1-2|7-18

Routledge Ltd‎(2006)‎

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By Knudson Mark   Gittings Steve   Stilwill Richard   Wilson Cara   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2006|8|4226-4227

Water Environment Federation‎(2006)‎

Access to resources Favorite 8.657604

By Wilson Cara   Knudson Mark   Komarek Joel   Koellermeier Dennis   in Proceedings of the Water Environment Federation

ISSN:1938-6478|2007|10|7802-7813

Water Environment Federation‎(2007)‎

Access to resources Favorite 8.657604