Prabu, S. L. (2013) “Development and Validation of Stability-indicating RP-HPLC Method for Coumarin Assay in Bulk Drugs and Pharmaceutical Products”, International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), 6(3), pp. 2187–2192. doi: 10.37285/ijpsn.2013.6.3.11.