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1КнигаОпубліковано 1952“...American Library Association. Board on Personnel Administration...”
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2КнигаОпубліковано 1948“...American Library Association. Board on Personnel Administration...”
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3КнигаОпубліковано 1968“...American Library Association. Board on Personnel Administration...”
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4КнигаОпубліковано 1968“...American Library Association. Board on Personnel Administration...”
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5КнигаОпубліковано 1951“...American Library Association. Board on Personnel Administration. Subcommittee on Job Analysis...”