Somnuk Chayapornkul. 1989. Development of load models in electrical power system. Graduate School, Chulalongkorn University;
Somnuk Chayapornkul. (1989) Development of load models in electrical power system . Chulalongkorn University/Bangkok.
Somnuk Chayapornkul. Development of load models in electrical power system. . Bangkok:Chulalongkorn University, 1989.
Somnuk Chayapornkul. (1989) Development of load models in electrical power system . Chulalongkorn University/Bangkok.