File:PBL problme features.jpg

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Description	table of PBL problem features
Source	own work
Date	2012-04-01
Author	Mengyuan Zhao(Zhaomeng (talk)
Permission (Reusing this file)	See below.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	21:18, 7 October 2012		629 × 225 (25 KB)	Zhaomeng (discuss \| contribs)	{{Information \|Description=table of PBL problem features \|Source=own work \|Date=2012-04-01 \|Author=Mengyuan Zhao(~~~Zhaomeng) \|Permission=public domain }}

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