Panupong Tangjitwatthanakul และ Boonyarat Samphanwatthanachai. (2017) Marketing plan for introduction Vitamin Rice in Thai market. Stamford International University:ม.ป.ท.Panupong Tangjitwatthanakul และ Boonyarat Samphanwatthanachai. 2017. Marketing plan for introduction Vitamin Rice in Thai market. ม.ป.ท.:Stamford International University;Panupong Tangjitwatthanakul และ Boonyarat Samphanwatthanachai. Marketing plan for introduction Vitamin Rice in Thai market. ม.ป.ท.:Stamford International University, 2017. Print.