Several resources are available for instructors wanting to use WeBWorK as a part of their course
The WeBWorK Quickstart Guide is intended to give some handy tips to instructors using WeBWorK at Dartmouth. The guide was written by Rebecca Weber.
How to use WeBWorK problem sets as Canvas assignments (in progress).
The WeBWorK Newbie Guilde is a now somewhat outdated (but occasionally useful) introduction to the design of WeBWorK problems.