Track rehabilitation project Directorate General of Landtransport and Inland Waterways, Ministry of Transport, Communications and Tourism, Republic of Indonesia / Indonesia. Ministry of Transport, Communication and Tourism
Japan Transportation Consultants , 1979
 Buku Teks
General information 1978-1979
Universitas Indonesia
[publisher not identified], 1978
 Buku Teks
Heritage tourism and sustainable tourism development in Indonesia
 Artikel Jurnal
Inkpen, Gary
Information technology for travel and tourism / Gary Inkpen
Longman , 1998
 Buku Teks
Indonesian tourism : information guide / editor H.A. Saefudin
National Information Agency , 2002
 Buku Teks SO