Touyjaruan, Tonruk, Antika Saman, and Pattama Nitthaisong. “Effect of Azolla pinnata Combination with Chemical Fertilizer on Growth and Yield of Riceberry”. VRU Agricultural and Food Journal 2, no. 2 (December 1, 2023): 20–27. accessed September 14, 2025. https://li04.tci-thaijo.org/index.php/VRU_AFJ/article/view/7380.