1. AASHTO Guide for Design of Pavement Structures;AASHTO,1993
2. Report and Recommendation of the President to the Board of Directors on Proposed Loans to the Kingdom of Cambodia and to the Socialist Republic of Viet Nam for the Greater Mekong Subregion: Phnom Penh to Ho Chi Minh City Highway;ADB,1998
3. Report and Recommendation of the President to the Board of Directors on a Proposed Loan to the Kingdom of Cambodia for the Greater Mekong Subregion: Cambodia Road Improvement Project;ADB,2002
4. Cambodia: Transport Sector Assessment, Strategy, and Road Map;ADB,2011
5. Viet Nam: Transport Sector Assessment, Strategy, and Road Map;ADB,2012