Haque, Tasnuva, Md Mesbah Uddin Talukder, Susmita Laila, Kanij Fatema, and Abdul Kalam Lutful Kabir. 2009. “Simultaneous Estimation of Naproxen and Ranitidine HCl by Using UV Spectrophotometer”. Stamford Journal of Pharmaceutical Sciences 1 (1):18-24. https://doi.org/10.3329/sjps.v1i1.1781.