“Effect of Gyttja and Nitrogen Applications on Growth and Flowering of Snapdragons (Antirrhinum Majus L.) Plant in the Two Soils Depth”. Kurdistan Journal of Applied Research 2, no. 1 (June 30, 2017): 1–7. Accessed August 9, 2025. https://cpanel.spu.edu.iq/index.php/kjar/article/view/29.