File:Spiral model.jpg
Spiral_model.jpg (450 × 369 pixels, file size: 20 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:08, 17 November 2011 | 450 × 369 (20 KB) | Zzeng (talk | contribs) |
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