Orawongsuphathat, chawal, and Saran Pimthong. 2018. “Causal Relationship of Organizational Loyalty of Gen Y Telecommunication Engineers in Thai Telecommunication Public Enterprise”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences 38 (3):29-47. https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/157967.