Spectrophotometric Determination of Terbutaline Sulphateand Tetracycline Hydrochloride via Ion pair Complex Formation Using Eosin Y (Mohamed Y. Dhamra, Theia’a N. Al-Sabha, & Thabit S. Al-Ghabsha , Trans.). (2014). Pakistan Journal of Analytical & Environmental Chemistry, 15(1), 84-92. https://doi.org/10.21743/