Abdullah Abdul Kareem Hassan. “Improvement of Antagonism and Fungicides Tolerance in Trichoderma Harzianum and T.Viride Local Isolates by Ultra-Violet Irradiation”. Tikrit Journal of Pure Science, vol. 20, no. 4, Feb. 2023, pp. 16-25, doi:10.25130/tjps.v20i4.1207.