SANORKAN, J.; TINA, F. W.; HEMTANON, S.; MAESUTHA, M.; KEERATIPATTARAKORN, K.; CHUMSRI, A.; SIRIJIRAKAL, V. J. Plastic Types and Usage by People in Nakhon Si Thammarat Rajabhat University Area, Nakhon Si Thammarat Province. Wichcha Journal Nakhon Si Thammarat Rajabhat University, ์Nakhon Si Thammarat, Thailand, v. 38, n. 1, p. 42–52, 2019. Disponível em: https://li01.tci-thaijo.org/index.php/wichcha/article/view/163338. Acesso em: 16 sep. 2026.