Gifford, Vernon D. <br/><br/>
The effect of the use of outside facilities and resources on success in secondary school science fairs 

 - 116-119 
 - 1992 92, no. 3 
 = SCHOOL SCIENCE AND MATHEMATICS 
<br/><br/><label>Encabezamiento--Término de Indización: </label>CIENCIAS EXACTAS COMPETENCIA INFLUENCIA COMUNITARIA INSPECCION