| General info : | | Gummerus Kirjapaino OY is a printing company related to Gummerus Kustannus OY. The printing company was fused with WS Bookwell in 2009, and in 2010 the printing activities continued under the new registered name Bookwell OY to separate them from the company's other ventures. | |
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| Source : | | Wikipedia (fi.wikipedia.org/wiki/Gummerus) | |
| Source : | | WS Bookwell OY @ Alltzthings (www.allzthings.com/propertyDetail.aspx?thingnumber=32260) | |
| Copied Wikipedia parts under license : | | | |
| Copied Wikipedia parts under license : | | Creative Commons Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) | |