نور عامر محمد علي and فاتن نوري عبد ملا 2025. A Study of effect of different agricultural conditions on production of enzyme mannanase from fungal isolate Lentinula edodes. College of Basic Education Research Journal. 21, 3 (Sep. 2025), 547–564. DOI:https://doi.org/10.33899/berj.2025.Vol21.Iss3.53542.