V. Korpraditskul, S. Jiwajinda, R. Korpraditskul, S. Wicharn and C. Ratanagreetakul (1988) “Side Effect of three Herbicides on Soil Microorganism”, Agriculture and Natural Resources. Bangkok, Thailand, 22(5), pp. 54–66. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/242566 (accessed: 28 August 2026).