TY - DATA AU - Steven B. Mertens TI - Common Planning Time in Middle Level Schools: Research Studies From the MLER SIGs National Project T2 - The Handbook of Research in Middle Level Education SN - 9781623961022 PB - Information Age Publishing KW - Levels KW - Schools KW - Secondary KW - Curriculum planning--United States.,Interdisciplinary approach in education--United States.,Middle school teaching--United States KW - EDUCATION UR - https://search.ebscohost.com/login.aspx?direct=true&db=e000xww&site=ehost-live&scope=site&AN=521855 ER -