Dreyfus, Amos <br/><br/>
Twelfth-grade biology pupils' opinions on interventions of man in nature : agreement, indifference and ambivalence 

 - 81-95 
 - 28, No. 1, 1991 
<br/><br/>Julio 1993 
 = JOURNAL OF RESEARCH IN SCIENCE TEACHING 
<br/><br/><label>Encabezamiento--Término de Indización: </label>BIOLOGIA CIENCIA Y SOCIEDAD EDUCACION CIENTIFICA