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https://github.com/withered-flowers/education-oop-crash-course#prelude-oop
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https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Object-oriented_JS
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https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures
https://dosenit.com/software/perintah-dasar-javascript
https://www.codelogi.com/2019/07/objek-dan-constructor-dalam-javascript.html
https://github.com/lydiahallie/javascript-questions/blob/master/id-ID/README.md