Challenger sale methodology is about challenging customer's belief

The Challenger Sale: Taking Control of the Customer Conversation Book Summary

Challenger Sales Model Includes Training Reps in Three Behaviors

Top 13 Sales Methodologies Part 2 - Kona - Sales and Management Training

The Challenger sale – Matthew Dixon and Brent Adamson – Curatus read

Sales Techniques: The Challenger Sale - BuddyCRM

BoostUp Revenue Maverick (RevMav) Program, by Neel kamal

Strategies for Building a Robust Enterprise with the Challenger Sales Model

Everything you need to know about the Challenger Sales Methodology - BuyerAssist

What is Challenger Sales Choreography? 5 Profiles of Sales Reps

How can Virtual Selling be a Solution to Inconsistent Sales Results?