AL.Shybany, amah Saleh Salman, and Abdulameer Ali Yassen. “Effect of Growth Regulators Naphthalene Acid and Salicylic and Humic Acid in Growth and Produce Nigellon and Thymoquinon of Nigella Sativa L.”. Al-Qadisiyah Journal of Pure Science 18, no. 2 (August 19, 2017): 52-68. Accessed May 9, 2024. https://journalsc.qu.edu.iq/index.php/JOPS/article/view/422.