Al-Sa’ady, A. J. R., and G. M. Aziz. “Optimization of Lovastatin Production from A Local Isolate of Aspergillus Terreus A50 in Solid State Fermentation by Classical and Statistical Methods”. Iraqi Journal of Science, Vol. 61, no. 10, Oct. 2020, pp. 2525-39, doi:10.24996/ijs.2020.61.10.9.