KHANKAW, T. The development of an e-mail newsletter system for the web site of the central regional institute for non-formal and informal (Thai). Asia-Pacific Journal of Science and Technology, [S. l.], v. 13, n. 11, p. 1288–1297, 2017. Disponível em: https://so01.tci-thaijo.org/index.php/APST/article/view/83487. Acesso em: 17 sep. 2026.