“Effect of Variety, Gibberellic Acid Concentration and Spraying Duration on Steroidal Saponine Concentration of Trigonella Foenum – Graecum L”. Ibn AL-Haitham Journal For Pure and Applied Sciences 27, no. 1 (April 17, 2017): 24–38. Accessed April 30, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/355.