TY - BOOK TI - The core six : essential strategies for achieving excellence with the common core AU - Silver, Harvey F. AU - Dewing, R. Thomas. AU - Perini, Matthew J., 1973-. AU - Jacobs, Heidi Hayes. SN - 9781416614753 (pbk. : alk. paper) PB - ASCD PP - Alexandria, VA : ASCD, c2012. PY - 2012 UR - https://library.korea.ac.kr/detail/?cid=CAT000045773717&ctype=m