Samawi, H., Helu, A. and Rochani, H. 2019. Further Increasing Fisher’s Information for Parameters of Association in Accelerated Failure Time Models via Double Extreme Ranks. Pakistan Journal of Statistics and Operation Research. 15, 3 (Sep. 2019), 679-700. DOI:https://doi.org/10.18187/pjsor.v15i3.2605.