ISOLATION AND IDENTIFICTION OF THE PRODUCER AMYLASE ENZYME Aspergillus niger FROM SOME AL_RAMADI SOILS AND THE USE OF PLANT WASTES TO PRODUCE IT
Al-Mağallaẗ al- irāqiyyaẗ li-dirāsāt al- ṣaḥrāʾ/Al-Maǧallaẗ al-ʻirāqiyyaẗ li-dirāsāt al-ṣaḥrāʼ