Ethnicity and Trans-National Commerce in the Mekong River Basin Lao PDR 1975-2006 / Betti Rosita Sari Rucianawati Lamijo Hery Yogaswara Suribidari text Jakara : LIPI Press, 2007 ind Ethnicity Transnational commerce Mekong River Bansin URN:ISBN:978-979-799-216-3