Dechjiraratthanasiri, Chatprawee, Kotchapan Khuansri, Thanasit Wongsiriamnuay, and Jiraporn Inthasan. “Effect of biochar-amended soil substrates on the growth of chinese kale in an organic system”. Health Science, Science and Technology Reviews 18, no. 2 (August 29, 2025): 15–23. accessed December 11, 2025. https://li01.tci-thaijo.org/index.php/journalup/article/view/266232.