This video titled 'How is War Directed? The Problem of Strategy' is presented by Professor Hew Strachan. During the lecture he suggests the idea that some of the most famous strategists developed their thinking from other works, even though they provide little acknowledgement of that fact. 

This manual provides a unified doctrinal basis for all Officer and Non-commissioned Officer leadership training and education in the Canadian Armed Forces. It also constitutes essential guidance for leadership practice at all levels.