The Master Key System (EN) - Charles F. Haanel (mp3 audiokniha) - diskusia

The Master Key System by Charles F. Haanel is the only clear, concise, comprehensive, definitive, distinctive, cogent, and scientific presentation of the Creative Power of Thought ever formulated by any one person at any one time. The Master Key System is a system that teaches the ultimate priciples, causes, effects, and laws that underlie all attainment and success.
viac informácií