Jampeetong, Arunothai, and Pakawat Janyasupab. “Effects of Substrate Types on Nitrogen Removal Efficacy and Growth of Canna Indica L”. Applied Environmental Research 44, no. 1 (March 1, 2022). Accessed May 18, 2024. https://ph01.tci-thaijo.org/index.php/aer/article/view/247764.