@article{173374, url = {http://digitallibrary.un.org/record/173374}, title = {Manual on transport projects appraisal in the ESCWA region. Volume 2, Appraisal of road projects.}, publisher = {UN ESCWA,}, recid = {173374}, pages = {v, 110 p. :}, address = {[Amman] :. 1990-04-08}, year = {1990}, month = {Apr}, }