Phorncharoen, Sarayut, Irada Phorncharoen, Sukrittaya Boonpa, and Anuchit Phaenkham. 2020. “Cost Leadership, Marketing Mix and Knowledge Management Affecting Competition Ability Enhancement of Exporters at Chong Mek Border”. Journal of Humanities and Social Sciences Thonburi University 14 (3):135-46. https://so03.tci-thaijo.org/index.php/trujournal/article/view/209203.