The Journal of King Mongkut's University of Technology North Bangkok
วารสารวิชาการพระจอมเกล้าพระนครเหนือ

Thanrada Chaikajonwat
Department of Statistics, Faculty of Science, Kasetsart University, Bangkok
Thailand

Juthaphorn Sinsomboonthong
Department of Statistics, Faculty of Science, Kasetsart University, Bangkok
Thailand

Thidaporn Supapakorn
Department of Statistics, Faculty of Science, Kasetsart University, Bangkok
Thailand