On stratified randomized response sampling. - Jea-Bok Ryu; Jong-Min Kim; Tae-Young Heo; Chun Gun Park (Model. Assist. Stat. Appl., 2006)

Penalized regression models for patent keyword analysis. - Jong-Min Kim 001; Jea-Bok Ryu; Seung-Joo Lee; Sunghae Jun (Model. Assist. Stat. Appl., 2017)