Jeong, Darae; Kim, Young Rock; Lee, Seunggyu; Choi, Yongho; Lee, Woong-Ki; Shin, Lae-Man; An, Hyo-Rim; Hwang, Hyeongseok; Kim, Junseok
ArticleIssue Date2015CitationJOURNAL OF THE KOREAN SOCIETY OF MATHEMATICAL EDUCATION SERIES B-PURE AND APPLIED MATHEMATICS, v.22, no.2, pp.159 - 168PublisherKOREAN SOC MATHEMATICAL EDUCATION