Phokate S, Boonkhuang A. Estimation of Ultraviolet Radiation Intensity under Cloudless Sky of Thailand. Food Agric Sci Technol [internet]. 2022 Nov. 21 [cited 2026 Sep. 10];8(2):58-66. available from: https://ph02.tci-thaijo.org/index.php/stej/article/view/246879