Worth-a-read blog posts and some mind-triggering material.
Want to read some of fast-paced updates ? Missed that nugget of information ?
Some of the more formal work is here. These days, it is a complete and vendor-agnostic review on Channel Management, in particular how to do Business Planning with partners and also includes models and templates (for free)
Learning from others and from others' experience is a value of Eikando, so here is a selection of some inspiring books.