Prapon Charusalaipong. 2003. Potentials of petroleum companies to divert investment into solar energy in Thailand. Field of Study Renewable Energy, Naresuan University;
Prapon Charusalaipong. (2003) Potentials of petroleum companies to divert investment into solar energy in Thailand . Naresuan University/Phitsanulok.
Prapon Charusalaipong. Potentials of petroleum companies to divert investment into solar energy in Thailand. . Phitsanulok:Naresuan University, 2003.
Prapon Charusalaipong. (2003) Potentials of petroleum companies to divert investment into solar energy in Thailand . Naresuan University/Phitsanulok.