Trung Quang Pham, Lan Anh Thi Nguyen, Nhung Thi Dao, and Thao Thi Ta. “Determination of Phosphorus Additives in Instant Noodle Samples by Phosphorus-31 Nuclear Magnetic Resonance (³¹P-NMR)”. Vietnam Journal of Science, Technology and Engineering 66, no. 3 (September 15, 2024): 39-45. Accessed July 15, 2026. https://vietnamscience.vjst.vn/index.php/vjste/article/view/1219.