Cost-Benefit Analysis Editat de Richard Layard et al. 29 iun 1994 Paperback Preț: 357.29 lei 6-8 săpt.
Wellbeing: Science and Policy Autor Richard Layard et al. mar 2023 Hardback Preț: 627.69 lei 705.27 lei 6-8 săpt. -11%