รกิติกุล ว. . (2020) “The Synthesis of Hydrogel from Canthium Parvifolium Roxb.’s Pection for Nitrogen Fertilizer Releasing”, Ramkhamhaeng Research Journal of Sciences and Technology, 23(1), pp. 39–46. Available at: https://li01.tci-thaijo.org/index.php/rusci/article/view/244924 (Accessed: 28 March 2024).