ISSN: 2985-2145
	 
		Kanidta Laphaphong
						Faculty of Applied Statistics, National Institute of Development Administration, Thailand		
Thailand	
		Vichit Lorchirachoonkul
						Faculty of Applied Statistics, National Institute of Development Administration, Thailand		
Thailand	
		Jirawan Jitthavech
						Faculty of Applied Statistics, National Institute of Development Administration, Thailand		
Thailand	




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