Articles published in IHS are included in the following:

• Google Scholar
• Scientific Journal Impact Factor
• Global Impact Factor
• DRJI
• EBSCO
• ISSN
• Research Gate
• SSRN
• OCLC
• Road
• Open Access
• Cite Factor
• Gaudeamus
• SIS
• I2OR
• OAJI.net
• Research Bib
• REDIB
• Academic Keys
• EZB