Tham, N. T., Laosinwattana, C., Teerarak, M. and Sripinyowanich, S. (2016) “Study on DNA degradation by natural herbicide from Tagetes erecta L. during Amaranthus spp seed germination”, International Journal of Agricultural Technology, 12(6), pp. 1005–1015. available at: https://li04.tci-thaijo.org/index.php/IJAT/article/view/6683 (accessed: 21 August 2025).