00556nam a2200157 a 4500 20200116024651.0 090330s19uu xx 00 eng d Barron, John The parent's guide to science fairs / John Barron. Los Angeles : Lowell House, c1999. 218 p. : ill. Includes appendices, bibliography, glossary and index. Science projects Science exhibitions OLOPSC 1250.00Php 60709 60709 0 0 0 0 HSLRC HSLRC CIR 2020-01-16 1250.00 0 Q 182.3 B37 1999 HS5173 2025-05-23 00:00:00 2020-01-16 BK