ปัทมสิริวัฒน์ ด. R&D Expenditures by Industrial Enterprises in Thailand. Thailand and The World Economy, [S. l.], v. 28, n. 2, p. 76–106, 2018. Disponível em: https://so05.tci-thaijo.org/index.php/TER/article/view/137367. Acesso em: 6 oct. 2026.