5 PAUTAN SUMBER PENGETAHUAN


5 pautan sumber pengetahuan yang bermanfaat dan percuma.

1. pdfdrive.com PDF Drive is your search engine for PDF files. As of today we have 79,052,336 eBooks for you to download for free. No annoying ads, no download limits, enjoy it and don't forget to bookmark and share the love!

2. core.ac.uk The world’s largest collection of open access research papers

3. citationsy.com Referencing for people who value simplicity, privacy, and speed.

4. archive.org Internet Archive is a non-profit library of millions of free books, movies, software, music, websites, and more.

5. elephind.com The goal of Elephind.com is to make it possible to search all the world’s online historic newspapers from one place.

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