Graham, E. <br/><br/>
Case study : the evaluation of a model for the production of video resources in science and mathematics 

 - 72-87 
 - 1993 30, No. 1 
<br/><br/>Julio 1993 
 = EDUCATIONAL AND TRAINING TECHNOLOGY INTERNATIONAL 
<br/><br/><label>Encabezamiento--Término de Indización: </label>ENSE\197ANZA MATEMATICA GRABACION EN CINTAS DE VIDEO INSTRUCCION CIENTIFICA TECNICAS DE PRODUCCION