Search Results       Your search for [subject]Citric acid -- Production -- Aspergillus niger returned 1 record.           A study of some factors affecting surface culture production of citric acid from cane sugar by a Philippine strain of <em>Aspergillus niger</em> B-65. by Cunanan, Lourdes F.; Subject: Biological Sciences; Aspergillus niger -- Culture; Citric acid -- Production -- Aspergillus niger.          Add to Book Cart Relevance: 45.64%