Barba, Robertta H. <br/><br/>
A comparison of preservice and in-service earth and space science teachers' general mental abilities, content knowledge, and problem-solving skills 

 - 1021-1035 
 - 29, No. 10, 1992 
<br/><br/>Mayo 1993 
 = JOURNAL OF RESEARCH IN SCIENCE TEACHING 
<br/><br/><label>Encabezamiento--Término de Indización: </label>CIENCIA DE LA TIERRA EDUCACION CIENTIFICA EDUCACION DEL MAESTRO EN CONSERVACION EDUCACION SUPERIOR FORMACION DE MAESTROS