Absolute Penalty Estimation. - S. Ejaz Ahmed; S. M. Enayetur Raheem; Shakhawat Hossain (International Encyclopedia of Statistical Science, 2011)

Absolute penalty and shrinkage estimation in partially linear models. - S. M. Enayetur Raheem; S. Ejaz Ahmed; Kjell A. Doksum (Comput. Stat. Data Anal., 2012)