Pongyuth Glayuth และ Pakarat Jumpanoi. (2021) Digital Marketing Strategy and Implementation of the Tools in Food and Beverage Services: Case Study of Sole Proprietorship in the Bangkok and Metropolitan Region of Thailand. <i>Rangsit Journal of Social Sciences and Humanities</i>, <i>8</i>(1), 56-65.Pongyuth Glayuth และ Pakarat Jumpanoi. "Digital Marketing Strategy and Implementation of the Tools in Food and Beverage Services: Case Study of Sole Proprietorship in the Bangkok and Metropolitan Region of Thailand". Rangsit Journal of Social Sciences and Humanities 8 (2021):56-65.Pongyuth Glayuth และ Pakarat Jumpanoi. Digital Marketing Strategy and Implementation of the Tools in Food and Beverage Services: Case Study of Sole Proprietorship in the Bangkok and Metropolitan Region of Thailand. Rangsit University:ม.ป.ท. 2021.