Development

The 20% Method to Achieve all your Goals

The Bug Fixer Strategy – Software Principles for Every Problem-Solving

Productive Lifestyle – The Pillars of Success

Exceptionally Innovative – Fully Tapping into Creative Potential

20 Strategies for Creative Problem Solving

Less is More – Minimalistic Time Management for Maximum Productivity

Provocative Inspiration – Breaking Boundaries for Creative Heights

Success Factor Risk Assessment – Gain Control Over Opportunities & Dangers

Anti-Perfectionism – The Path to Liberated Productivity

Out of the Crisis Spiral – Turning Problems into Opportunities

The Letting-Go Principle – Less Pressure More Success

Self-Made Decision-Makers – Make the Best of Life through Proper Choices

Reprogramming the American Dream

Jefa in Training

Finance in Africa

Malthus and his work

The New Wonder of the World: Buffalo, the Electric City

Distributive Justice: The Right and Wrong of Our Present Distribution of Wealth

Queensland, the Rich but Sparsely Peopled Country, a Paradise for Willing Workers

The Next Step: A Plan for Economic World Federation