| No | Link Internasional | Link Nasional |
| 1 | academia.edu | e-Perpusdikbud |
| 2 | citethisforme.com | iJakarta |
| 3 | e-resources.perpusnas.go.id | SLIMS |
| 4 | scholar.google.co.id | Ipusnas |
| 5 | freefullpdf.com | |
| 6 | wolframalpha.com | |
| 7 | citationmachine.net | |
| 8 | urbandictionary.com | |
| 9 | pdf.io | |
| 10 | slidescarnival.com | |
| 11 | scihub.org |
