Siprasith Boupha. 1998. 115 kV high-voltage insulation co-ordination of Lao electric power transmission lines. Graduate School, Kasetsart University;
Siprasith Boupha. (1998) 115 kV high-voltage insulation co-ordination of Lao electric power transmission lines . Kasetsart University/Bangkok.
Siprasith Boupha. 115 kV high-voltage insulation co-ordination of Lao electric power transmission lines. . Bangkok:Kasetsart University, 1998.
Siprasith Boupha. (1998) 115 kV high-voltage insulation co-ordination of Lao electric power transmission lines . Kasetsart University/Bangkok.