Suchada Kultontikorn และ Sawaros Srisutto. (2015) INVESTIGATING INTERNAL AND EXTERNAL FACTORS AFFECTING ADOLESCENT CONSUMERS' PURCHASE INTENTIONS ON ENVIRONMENTAL FRIENDLY PRODUCTS. <i>UTCC International Journal of Business and Economics</i>, <i>7</i>(2), 103-118.Suchada Kultontikorn และ Sawaros Srisutto. "INVESTIGATING INTERNAL AND EXTERNAL FACTORS AFFECTING ADOLESCENT CONSUMERS' PURCHASE INTENTIONS ON ENVIRONMENTAL FRIENDLY PRODUCTS". UTCC International Journal of Business and Economics 7 (2015):103-118.Suchada Kultontikorn และ Sawaros Srisutto. INVESTIGATING INTERNAL AND EXTERNAL FACTORS AFFECTING ADOLESCENT CONSUMERS' PURCHASE INTENTIONS ON ENVIRONMENTAL FRIENDLY PRODUCTS. University of the Thai Chamber of Commerce:ม.ป.ท. 2015.