Title
The second Academic Conference on Natural Science for Master and PhD Students from Cambodia, Laos, Malaysia & Vietnam, Vinh, Vietnam, 11-15 October 2011 : proceedings / organizers, National University of Laos [and 10 others] ; sponsors, International Centre for Theoretical Physics [and 7 others] ; conference president, Prof. Acad. Nguyen Van Hieu (VAST) ; co-chairmen, Prof. Dr. Somsy Gnophanxay (vice president of NUOL, Laos PDR) ; conference secretariat, Prof. Dr. Vu Thi Bich (Institute of Physics).