Makoto, Saiki, Thu Nga Do, Thuy Hai Cao Thi, Nakamura Takashi, Thao Ta Thi, and Nishida Kei. “Temporal Variation of Stable Isotopic Values for Dissolved Nitrogen Compounds in Paddy Water Environment”. Nuclear Science and Technology 9, no. 3 (September 15, 2019): 42-47. Accessed November 24, 2024. http://jnst.vn/index.php/nst/article/view/44.