Umar, Abdullah, Diwakar R.W. Kandula, John G. Hampton, M. Phil Rolston, and Soonie F. Chng. 2019. “Potential Biological Control of Take-All Disease in Perennial Ryegrass”. New Zealand Plant Protection 72 (July). Auckland, New Zealand:213-20. https://doi.org/10.30843/nzpp.2019.72.271.