Dangos 1 - 2 canlyniadau o 2, amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1
    Modern cost benefit methods: An introduction to financial, economic and social appraisal of development projects
    gan Irvin, George
    Cyhoeddwyd 1978
    Printed Book
  2. 2
    Modern cost - benefit methods : an introduction to financial, economic and social appraisal of development projects /
    gan Irvin, George
    Cyhoeddwyd 1978
    Printed Book
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