T. A. Kareem, A. A. Al-Heeti, and H. H. Al-Karboli, “Test of the effectively of some plant extracts against casuals of seedlings damping - off Pythium aphanidermatum (Edson) Fitzpatrick on cucumbe”, DASJ, vol. 1, no. 1, pp. 320–334, Jun. 2009.