M. Al Bratty, S. F. Saleh, H. A. Alhazmi, S. A. Javed, A. M. Ahmed, and W. Ahsan, “A Validated HPTLC Densitometric Method for Quantitative Determination of Zanamivir in Bulk and Pharmaceutical Formulation”, Eur. J. Chem., vol. 9, no. 2, pp. 115–120, Jun. 2018.