Lessem

The Roots of Excellence (The successful manager)

By Lessem, Professor Ronnie

Scholastic Dinosaurs A-Z

By Lessem, Don, Sovak, Jan

Developmental Management: Principles of Holistic Business (Developmental Management S.)

By Lessem

Sea Giants of Dinosaur Times (Meet the Dinosaurs)

By Lessem, Don, Bindon, John

Business as a Learning Community: Applying Global Concepts to Organizational Learning

By Lessem, Professor Ronnie

Global Management Principle

By Lessem, Professor Ronnie

Enterprise Development

By Lessem, Professor Ronnie

Sawubona Africa

By Nussban, B., Lessem, R.