Qihong Tu, Fugen Dou, and Haytham M. Salem. “Optimizing Conditions for the Measurement of Soil Inorganic Nitrogen With a Micro-Plate Reader”. Global Journal of Agricultural Innovation, Research & Development 8 (January 22, 2022): 22–31. Accessed March 29, 2024. https://avantipublishers.com/index.php/gjaird/article/view/1033.