Kareem, Tariq A., et al. “Test of the Effectively of Some Plant Extracts Against Casuals of Seedlings Damping - off Pythium Aphanidermatum (Edson) Fitzpatrick on Cucumbe”. Diyala Agricultural Sciences Journal , vol. 1, no. 1, June 2009, pp. 320-34, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3229.