ทองสนิท ป. ฝุ่นละออง. Naresuan University Engineering Journal, Phitsanulok, Thailand, v. 3, n. 1, p. 1–4, 2014. Disponível em: https://ph01.tci-thaijo.org/index.php/nuej/article/view/26297. Acesso em: 5 mar. 2024.