SKILL BUILDERS: A PROCESS AND PROBLEM SOLVING SKILL BOOK, GRADE 1 (MERRILL PUBLISHING COMPANY OHIO, USA, 1989)
NO AUTHOR GIVEN. SENIOR EDITORS: KAREN S. ALLEN AND JANET L. HELENTHAL
Keywords: SCIENCE; SKILL BUILDING; PROBLEM SOLVING SKILLBOOK; GRADE 1; ACCOMPANYING MERRILL SCIENCE TEXTBOOK