As you know, Urban Planning & Real Estate Development program is by it's nature interdisciplinary. This means there's not one database or journal that will have everything you need and that you will likely need to search multiple databases to do a complete literature review on your area of research. While this may sounds tedious, try to think of it as an information treasure hunt!
Looking at dissertations in your area of study can help by giving concrete, real world examples of a literature review. Finding a dissertation on a topic similar or related to yours also means you suddenly have a long list of relevant journal articles citations to jump start your research.