อาษากิจ เ.; อาษากิจ ห. Marketing products and services for the elderly in Chiangmai. RMUTL Journal of Business Administration and Liberal Arts, [S. l.], v. 6, n. 2, p. 97–110, 2018. Disponível em: https://so05.tci-thaijo.org/index.php/balajhss/article/view/164139. Acesso em: 5 may. 2024.