Workbook
| workbook | |
| comp., MS | радна свеска |
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| радна свеска (In a spreadsheet program, a file containing a number of related worksheets) | |||
| English thesaurus | |||
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| .wkb (file name extension, WordPerfect) | |||
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Workbook : 3 phrases in 1 subject |
| Microsoft | 3 |