Sangsum , C. and Saetear, P. (2026) “Development of Test Kit for Paraquat Using Hand-Held Photometer”, Burapha Science Journal. Chonburi, Thailand, 26(2 May-August), pp. 1040–1055. available at: https://li05.tci-thaijo.org/index.php/buuscij/article/view/1400 (accessed: 13 October 2026).