![Chapter 2 - Transportation Agency Processes | A Research Roadmap for Transportation and Public Health | The National Academies Press Chapter 2 - Transportation Agency Processes | A Research Roadmap for Transportation and Public Health | The National Academies Press](https://images.nap.edu/books/25644/gif/4.gif)
Chapter 2 - Transportation Agency Processes | A Research Roadmap for Transportation and Public Health | The National Academies Press
What is a "research gap" or "knowledge gap" in research and literature? Is gap explored or constructed ? How can gap in research be identified?
![How do writers establish research niches? A genre-based investigation into management researchers' rhetorical steps and linguistic mechanisms - ScienceDirect How do writers establish research niches? A genre-based investigation into management researchers' rhetorical steps and linguistic mechanisms - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1475158512000343-gr2.jpg)