Journal Ranking List

• Index Copernicus International 
• Norwegian Publication Indicator

Journal Directories

• Electronic Journals Library (EZB)
• Mir@bel
• Sherpa Romeo (Process)
• SUDOC Catalogue

Digital Preservation

• Internet Archive

Content Aggregators

• Bielefeld Academic Search Engine (BASE)
• Google Scholar
• Internet Archive Scholar
• Moraref (Ministry of Religious Affairs of Republik Indonesia Index)
• Neliti (Indonesia Scientific Repository)
• Onesearch
• Portal Garuda: Garba Rujukan Digital
• Scilit (Scientific Literature)
• Wikidata
• Worldcat