Kumkrua, M. and Jorncharoen, N. (2021) “Work Motivation of Employees for Effectiveness of the Company in Bangkok Area”, University of the Thai Chamber of Commerce Journal Humanities and Social Sciences, 41(4), pp. 122–147. available at: https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/247475 (accessed: 20 September 2026).