Berikut adalah ekternal link :
1. Perpustakaan Nasional Republik Indonesia
2. search.ebscohost.com
3. search.proquest.com
4. infotracgalegroup.com
5. ristekdikti.summon.serialsolutions.com
6. https://pemrogramanmatlab.com/
7. https://docs.oracle.com/javase/tutorial/
8. https://www.duniailkom.com/
9. www.mysqltutorial.org/
10. https://www.tutorialspoint.com/