W. Hadi, H., and S. J. Dhahi. “Heterokaryon Formation from Color and Nutrient Mutants Resistant to Chlorate and Selenite in Fungus Alternaria Alternate”. Rafidain Journal of Science, vol. 27, no. 4, Dec. 2018, pp. 232-4, doi:10.33899/rjs.2018.159329.