Parisa Suratthanamethakul และ Saichon Sinsomboonthong. (2021) Factors Affecting Households Expenditure in Central Region by Income Groups. <i>Thai Journal of Science and Technology</i>, <i>10</i>(2), 135-149.Parisa Suratthanamethakul และ Saichon Sinsomboonthong. "Factors Affecting Households Expenditure in Central Region by Income Groups". Thai Journal of Science and Technology 10 (2021):135-149.Parisa Suratthanamethakul และ Saichon Sinsomboonthong. Factors Affecting Households Expenditure in Central Region by Income Groups. Thammasat University:ม.ป.ท. 2021.