Panitchaikul , Paweena, and Thitinan Chankoson. 2020. “Factor Analysis of Service Quality in Pearl Milk Tea Beverage Businesses of Generation Y in Bangkok”. KKBS Journal of Business Administration and Accountancy 4 (1):83-96. https://so04.tci-thaijo.org/index.php/kkbsjournal/article/view/240196.