Archiving Policy
The Indonesia Publication Index (IPI, forerly Portal Garuda Indonesian Publication Index) digitally preserves a full copy of the content this journal. The digital archives accessible through the Science And Technology Index (SINTA) Ministry of Education and Culture Republic of Indonesia, National Library (Portal Garuda)
This journal uses the LOCKSS and CLOCKSS systems to create a distributed filing system among participating libraries and allows these libraries to create permanent journal archives for preservation and restoration purposes.