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Friman, J.; Kangaspunta, J.; Leppäniemi, S.; Rasi, P.; Virrankoski, A.: Query performance analyser : a tool for teaching information retrieval skills through an educational game (2005)
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Covert and overt : recollecting and connecting intelligence service and information science (2005)
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Hirko, B.; Ross, M.B.: Virtual reference training : the complete guide to providing anytime anywhere answers (2004)
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Lipow, A.G.: ¬The virtual reference librarian's handbook (2003)
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