Hassan, M.M., Ismail, I.A. and Sorour, A.E.-L.A. 2014. Phylogeny and antagonistic activity of some protoplast fusants in Trichoderma and Hypocrea. International Journal of Applied Sciences and Biotechnology. 2, 2 (Jun. 2014), 146–151. DOI:https://doi.org/10.3126/ijasbt.v2i2.10113.