U. P. Chaurasia, “Effect of N-(7-dimethylamino-4-methyl-3-coumarinyl) Maleimide on Fermentation of Citric Acid by Aspergillus niger NCIM-2101”, J. Nepal Chem. Soc., vol. 38, pp. 90–94, Dec. 2018, doi: 10.3126/jncs.v38i0.27798.