López y Mota, Ángel Daniel <br/><br/>
Problems in defining and eliciting "scientific" process using practical tasks with primary, school children / 
Angel D. López y Mota. 
 - London :  A. D. López y Mota,  1991. 
 - 294 p. :  il. col. 
<br/><br/>Tesis (PhD. in Science Education) -- University of London. Institute of Education, 1991 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Educación primaria --Metodología