Khruachalee, Krisada. 2020. “Principal Component Analysis and Classification of Saving Decisions for Employees in the Bank of the Lao People’s Democratic Republic, Luang Prabang Province”. KKBS Journal of Business Administration and Accountancy 4 (3):103-26. https://so04.tci-thaijo.org/index.php/kkbsjournal/article/view/241835.