JONGSUKSOMSAKUL, P. Efficiency and Effectiveness of the Public Relations Department Region 4 in Thailand. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences, [S. l.], v. 36, n. 1, p. 82–98, 2018. Disponível em: https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/180528. Acesso em: 11 may. 2024.