Perhaps you should try some spelling variations:
instrumento didactico » instrumentos didacticos, instrumentacion didactica, instrumento pedagogico
publicaciones peri » publicaciones de, publicaciones seriadas, publicaciones periodicas
peri instrumento » serie instrumentos, e instrumento, de instrumento
didactico de » didactica de, didactica del, didactica en

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: publicaciones peri instrumento didactico de diego de espana ;~.
• Adding a wildcard symbol may retrieve word variants: publicaciones peri instrumento didactico de diego de espana ;*.