C. J. Bhangale, and D.H. Nandal. “Validated Stability Indicating HPTLC Methods for the Determination of Entecavir in Bulk and Dosage Form”. International Journal of Pharmacy and Analytical Research, vol. 8, no. 2, Sept. 2022, pp. 185-93, doi:10.61096/ijpar.v8.iss2.2019.185-193.