YOLDAS, FUNDA, SAFAK CEYLAN, NILGUN MORDOGAN, and HAKAN CAKICI. 2010. “Effects of Sowing Dates and Nitrogen Application on Phosphorus and Potassium Contents in Parsley”. Asian Journal of Chemistry 19 (5):4059-64. https://asianpubs.org/index.php/ajchem/article/view/13313.