TY - EBOOK TI - The basics of item response theory using R [electronic resource] AU - Baker, Frank B. AU - Kim, Seock-Ho. SN - 9783319542041 PB - Springer PP - Cham : Springer, c2017. PY - 2017 UR - https://library.korea.ac.kr/detail/?cid=CAT000046011572&ctype=e