ตั้งสมชัย ช. Sentiment Index of SMEs in Leading Industries in Chiang Mai Province. Executive Journal, [S. l.], v. 33, n. 2, p. 72–79, 2013. Disponível em: https://so01.tci-thaijo.org/index.php/executivejournal/article/view/80773. Acesso em: 2 may. 2024.