KOKANE, A. P., V. S. TEGELI, and B. S. SHINDE. “UV-SPECTROPHOTOMETRIC METHOD DEVELOPMENT AND VALIDATION FOR ESTIMATION OF IPRATROPIUM BROMIDE IN API AND PHARMACEUTICAL DOSAGE FORM”. International Journal of Current Pharmaceutical Research, Vol. 12, no. 3, May 2020, pp. 69-73, doi:10.22159/ijcpr.2020v12i3.38309.