Al- Kaisi, W. (2017) “Effect of Planting Dates and GA3 Concentrations On Growth and Active Material of Chamomilla (Matricaria Chamomilla L.) Plants”., Ibn AL-Haitham Journal For Pure and Applied Sciences, 22(4). Available at: https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/1155 (Accessed: 1 May 2025).