Ye, H. et al. 2012. Atomic Absorption Spectrophotometric Determination of Potassium Content of Soil and Leaf of Camellia oleifera from the Main Producing Areas of Guangxi, China. Asian Journal of Chemistry. 25, 4 (Nov. 2012), 2343–2344. DOI:https://doi.org/10.14233/ajchem.2013.13383.