Chaurasia UP. Effect of Cetyltrimethylammonium Hydrogen Sulphate on Production of Citric Acid by Aspergillus Niger Ncim-2101. Acad. Voices [Internet]. 2018 Oct. 17 [cited 2024 May 6];7:59-63. Available from: https://www.nepjol.info/index.php/AV/article/view/21372