Seminar-cum-study tour on the role of railways in urban transsport, Japan, 13-23 Oktober 1987
by United Nations-ESCAP
UN - Economic and Social Commission for Asia and the Pasific, 1987
 Buku Teks
Road traffic accident prevention report of a seminar-cum-study tour Japan, 15-24 October 1986
United Nations, 1987
 Buku Teks
Management and techniques of road maintenance : report of a seminar-cum-study tour Japan, 24 October-2 November 1984 volume 1 / United Nations
United Nations , 1984
 Buku Teks
Management and techniques of road maintenance : report of a seminar-cum-study tour Japan, 24 October-2 November 1984 volume 2 / United Nations
United Nations , 1984
 Buku Teks
Report of the seminar-cum-study tour on railway track maintenance, China 16-25 September 1986
by Economic and Socila Commission for Asia and the Pacific United Nations
United Nations, 1986
 Buku Teks
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