PM-6020 Management, Leadership and Team Building in the Project and Program Environment

Project Management Institute. (2017). A guide to the project management body of knowledge (PMBOK® Guide)–Sixth Edition: Vol. Sixth edition. Project Management Institute.
A Guide to the Project Management Body of Knowledge (PMBOK® Guide) is PMI's flagship publication and is a fundamental resource for effective project management in any industry.

Horváth, V. (2019). Project management competence - Definitions, models, standards and practical implications. Vezetéstudomány / Budapest Management Review, 50(11), 2–17.
This article provides some background of project management standards of practice and ways to implement those standards in each project that you oversee.