21 “..., and they may serve as a model for social change and its political, economic, and psychological consequences...”

22 “...In the highlands of Northern Columbia the Ika live a strenuous and isolated life, economically...”

23 “... of economics, was, according to Wassily Kandinsky, "one of the deepest experts on religious life" in early...”

24 “... of religious and Islamic studies, education, psychology, social science, economics, and natural science...”