Shubber, K.E. <br/><br/>
Understanding the diagramatic representation of rotation in diagrams of three dimensional structures 

 - 81-92 
 - 1991 9, No. 1 
<br/><br/>Junio 1992 
 = RESEARCH IN SCIENCE AND TECHNOLOGICAL EDUCATION 
<br/><br/><label>Encabezamiento--Término de Indización: </label>DESLIZAMIENTOS METODOS DE ENSE\197ANZA SPATIAL ABILITY VISUALIZACION