Intasan, Wipawan, Ratcha Chaichana, and Patana Anurakpongsatorn. “Efficiency of Glutinous Rice Straw Extracts (RD-Six) and Water Hyacinth in Inhibiting Algal Growth and Reducing Nutrients from a Hyper-eutrophic Pond: DOI: 10.32526/ennrj/19/2020148”. Environment and Natural Resources Journal 19, no. 1 (December 1, 2020): 24–33. accessed April 29, 2025. https://ph02.tci-thaijo.org/index.php/ennrj/article/view/241206.