I found another Design Council report that might provide good reading material for students. Eleven case studies of managing design in global brands are reported and compared. The Design Council's model of design process looks like a double diamond.
http://www.designcouncil.org.uk/en/About-Design/managingdesign/The-Study-of-the-Design-Process/
Discover: Explore
Define: Reflect, Model
Develop: Create
Deliver: Communicate
Nic