Al- Kaisi W, Nasr Allha A, Bashi R, Hussan A. Effect of Planting Dates and GA3 Concentrations On Growth and Active Material of Chamomilla (Matricaria Chamomilla L.) Plants. IHJPAS. 2017;22(4). Accessed May 1, 2025. https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/1155