Mahwish Ahmed Karim, Ghazala H. Rizwani, Afaq Ahmed Sidddiqui  and Muhammad Farhanullah Khan 2015. Comparative Toxicities of Hydrastis Canadensis L., Berberis aristata DC. and Achillea millefolium L. Against Brine Shrimps (Artemia salina) Using Dosage Mortality Curve: A Probit Approach. Journal of Basic & Applied Sciences. 11, (Jan. 2015), 69–73. DOI:https://doi.org/10.6000/1927-5129.2015.11.09.