Ruengdit, Manowich, Nipaporn Chanacot, and Warinkarn Torateekorntawat. 2022. “Quantitative analysis of nitrite in blood-red bird’s nest by high-performance liquid chromatography”. Bulletin of Applied Sciences 7 (7). Bangkok, Thailand:89-94. https://doi.org/10.60136/bas.v7.2018.223.