Numerous universities provide online text and video resources about the literature review process. Here are some of the best:
The UNT Libraries have a wealth of print and e-books about writing proposals and literature reviews. To find additional titles, do a keyword search for [dissertation proposal] or for [thesis proposal] in the UNT library catalog. You can make a search specific to your field by conducting a keyword search including that term, e.g., [dissertation proposal social science].
Calculators help you develop a timeline for your dissertation or thesis, and provide information on how to conduct each stage, including the proposal.