The journal BACK STAGE has not been located in the database Natural Science Collection (ProQuest). Notice that the system uses the ISSN(S) Natural Science Collection (ProQuest) . Notice that the system uses the ISSN(S) 0005-3635 for the location.

The list of titles Natural Science Collection (ProQuest) has been checked http://tls.search.proquest.com/titlelist/ListForward?productId=1010291%3A1007160%3A1010292%3A1007856%3A1009715%3A1010293%3A1010290%3A1009714&productName=Natural+Science+Collection&format=tab&IDString=1010291%3A1007160%3A1010292%3A1007856%3A1009715%3A1010293%3A1010290%3A1009714&issn=Y and analyzed on 2024-12-21 11:52:38. 21-12-2024

Possible reasons for not being included yet appear in this repository are :

• That does not include the ISSN repository or this is different from those in MIAR ( 0005-3635 ). (0005-3635).
• That the repository indicates that the magazine is not currently active with terms such as inactive or Ceased.
• It has been included after the 2024-12-21 11:52:38 In this case will appear in the next update of MIAR.
• It has been an error in the automatic extraction of deteccióny ISSN file.
• For Latindex , you are in the directory but not found in the catalog.

In either case can communicate the problem.