Luangsuwalai, K., Boonpatompol, S. and Kapkaeo, C. (2024) “Effects of Chemical Fertilizer and Bio-Extracts on the Growth and Yield of Butterhead Lettuce in Substrate Culture System”, Research on Modern science and Utilizing Technological Innovation Journal (RMUTI Journal), 17(1), pp. 48–59. available at: https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/255072 (accessed: 10 April 2025).