The Upside Of Down :
"Homer-Dixon, Thomas"
The Upside Of Down :
676977233
REGRESSION (CIVILIZATION);SOCIAL CHANGE;PROBLEM SOLVING;REGRESSION (CIVILIZATION) - HISTORY;SOCIAL CHANGE - HISTORY;PROBLEM SOLVING - HISTORY
The Upside Of Down :
676977233
REGRESSION (CIVILIZATION);SOCIAL CHANGE;PROBLEM SOLVING;REGRESSION (CIVILIZATION) - HISTORY;SOCIAL CHANGE - HISTORY;PROBLEM SOLVING - HISTORY