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author_ss:"Kingma, B.R."
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Kingma, B.R.: ¬The economics of information : a guide to economics and cost-benefit analysis for information professionals (1996)
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- Date
- 22. 2.1997 19:44:14
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Boettcher, J.; Kingma, B.R.: Telephone directories : alternatives to print (1994)
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- Source
- Reference services review. 22(1994) no.2, S.53-61