Shrestha, S., S. . Maharjan, N. K. . Bhatta, A. . Gaire, N. . Thapa, and D. J. R. . Shrestha. “Formulation and In-Vitro Evaluation of Tolterodine Tartrate Tablets by Using High Performance Liquid Chromatographic (HPLC)”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 77, no. 1, Mar. 2021, pp. 95-104, https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/6706.