Video đây ạ : https://dai.ly/x756cix
+Blog tập hợp các bài học , kinh nghiệm của tớ nhé : https://tailieuhoctap123blog.wordpress.com/tag/nguyen-cong-trinh/
Hoặc : https://kythuatysinhblog.wordpress.com/
Kênh youtube : https://www.youtube.com/channel/UCmh5eroSubN_w1J4u19d6_Q
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