D2 zuiker paul wilbert van leijden memes
D1 zuiker paul wilbert van leijden mensheidontwikkeling
D3 zuiker paul wilbert van leijden memes-overzicht
B3 SDi-1 Change Dynamics & Integral Theory Dutch v1101
B2 SDi-1 vMemes Theory Dutch v1101 Part I Slideshare
B1 SDi-1 Intro & Graves Theory Dutch v1101
B2 SDi-1 vMemes Theory Dutch v1101 Part II Slideshare
B4 SDi-1 Additional Slides Dutch v1101
C10 s di organisatie legenda