Ceylan, Safak, Funda Yoldas, Hakan Cakici, Nilgun Mordogan, and Emine Bayram. 2010. “Effects of Nitrogen Rates on Nitrogen Accumulation, Ascorbic Acid and Essential Oil Contents in Parsley”. Asian Journal of Chemistry 18 (3):2113-18. https://asianpubs.org/index.php/ajchem/article/view/20966.