- https://en.wikipedia.org/wiki/Personal_software_process
- https://en.wikipedia.org/wiki/Team_software_process
2) Communication Techniques. Eg. 1) On Communication (2 vols) from HBR 10 must reads series 2) The Communication Book: 44 Ideas for Better Conversations Every Day by Krogerus and Tschappeler. While practicing always use problems of relevance and not hypothetical ones.
3) Decision Making techniques, in particular; Delphi Technique (https://www.toolshero.com/decision-making/delphi-technique/). Also see The Decision Book Fifty models for strategic thinking by Krogerus and Tschappeler. Again only use problems of relevance for practice.
4) Research Activities i.e. Problem Domain and Tech. Domain study. To identify new pain points, opportunities for Business and new Technologies/Languages/Tools for implementation. They need not be related but should always end with a PoC i.e. not just ending with a "talk". Inspiration: https://news.ycombinator.com/item?id=31626049