นครศรี ค. (2019) “Rate of Azolla (Azolla pinnata B.Br.) on Weed Control in Pre-Germinated Direct-Seeded Rice”, Thai Agricultural Research Journal, 17(3), pp. 303–309. Available at: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/229252 (Accessed: 19 May 2024).