Allal M. Manual on the planning of labour intersive road construction. Allal M.; Edmonds G. A. - Geneva International Labour Office UK 1977 - "xi, 253p. Appendix p.249-53" cm. Standard No.: 92320 Source: Reference Collections Subjects--Topical Terms: Road Transport Industry Dewey Class. No.: "X9(D411,7):9g, L7/UN"