Here is Professor Keith Grint on Wicked Problems and Leadership

Judy Oakden describes the use of Rich Pictures in SSM in evaluation.

Stafford Beer describing the origins of the Viable Systems Model.

Here is Peter Checkland describing the origins of the Soft Systems Methodology.

Here is  soft systems methodology via cartoon:

Video of Dr John Mackness discussing Soft Systems Methodology. John is a colleague of Peter Checkland