The following are articles which can help teach you how to increase cash flow by putting into place proper collection techniques.

Don’t Leave Your Cash Flow to Chance

Can’t Pay, Won’t Pay, Forgot to Pay

Counting the Cost of Debt Recovery

Getting Paid When You Fire A Client

https://www.bottomline.com/uk/resources

Transferring Collection Assignment, Michael C. Dennis
transferring-collection-assignment

Additional Collection Training programs can be found at the Training Collaborative.
Current collection training programs include:
Basic Commercial Collection Tools
Bulldog Collections
50 Ways to Accelerate Debt Collections

New Models for the Financially Distressed Customer to Deal with Their Debt: Customers Rushing to Sell All Their Assets Through Chapter 11 and the Rise of the Prepackaged Bankruptcy

Payment Channel Alternatives (Traditional and Emerging) For the Customer (And the Credit Team’s Preferences)