Estudios (4) Youth (2) War (2) Desire (2) Deseo (2) Cultura--Investigación (2) Guerra (2) Jóvenes (2) Poder (2) guerre (2) Labor (1) Witnesses (1) War and emergency powers (1) Trials (1) Traffic flow (1) Stress (Psychology) (1) Sovereignty (1) Social change (1) Serfdom (1) Production (Economic theory) (1) Population (1) Political science (1) Play (1) Manufacturing processes (1) Logic (1) Lifestyles (1) Language and languages (1) Landscapes (1) International Standard Book Numbers (1) Industrial productivity (1)