| No category |
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| http://www.umuc.edu/current-students/learning-resources/writing-center/writing-resources/parts-of-an-essay/paragraph-structure.cfm paragraph structure |
| http://www.aresearchguide.com/1steps.html research guide |
| https://studysites.uk.sagepub.com/redman/13.1b.pdf sample essay |
