M.GANDHIMATHI, et al. “Validated Ion Pair HPLC Method For Simultaneous Estimation Of Ceftriaxone Sodium And Tazobactum Sodium In Dosage Form”. International Journal of Pharma and Bio Sciences, vol. 1, no. 4, Dec. 2010, pp. 17-22, https://ijpbs.net/index.php/journal/article/view/128.