พลคำ ก. Radiation intensity equation on a flat plane emitted from far-infrared lamp in the shape of small-long cylinder. Progress in Applied Science and Technology, Thailand, v. 8, n. 1, p. 49–57, 2018. Disponível em: https://ph02.tci-thaijo.org/index.php/past/article/view/243044. Acesso em: 19 may. 2024.