Report of the seminar-cum-study tour on railway track maintenance, China 16-25 September 1986 / United Nations. Economic and Socila Commission for Asia and the Pacific

Report and proceedings of the seminar on classification of inland waterways, China, 18-27 September 1986 / United Nations. Economic and Social Commission for Asia and the Pasific

Annual report 1999 : food and fertilizer technology center for the Asian and Pasific Region

No flies in China : a report on a recent visit to red China

China official annual report 1981