TY - BOOK ED - National Science Teachers Association TI - Scope, sequence, and coordination of secondary school science: a project of the National Science Teachers Association SN - 0873551117 AV - Q183.3.A1 S36 1992 PY - 1992/// CY - Washington, D.C. PB - National Science Teachers Association, KW - Science KW - Study and teaching (Secondary) KW - United States KW - Education KW - Research N1 - Includes bibliographical references and index; v.2. Relevant research ER -