Sirirustananun, N. The suitable stocking density to growth of macroalgae Spirogyra spp. and its ability of ammonia nitrogen removal. Int. J. Agric. Tech. [internet]. 2016 May 15 [cited 2025 Aug. 16];12(3):439-4. available from: https://li04.tci-thaijo.org/index.php/IJAT/article/view/6632