Smidak,E F
Environment and Smidak principles : power and responsibility action and re-action - Switzerland Avenira Foundation for Research of Human Society 1996 - 143
390511206x
population
unemployment
304.28 / SMI/JA
Environment and Smidak principles : power and responsibility action and re-action - Switzerland Avenira Foundation for Research of Human Society 1996 - 143
390511206x
population
unemployment
304.28 / SMI/JA