Ly thuyet

http://vietnamnet.vn/vn/blog/cau-chuyen-tu-buc-tranh-tom-ca-bac-nhuoc-thi-chi-lam-moi-cho-ke-manh-472441.html


https://www.cezargroup.ca/billing/clientarea.php?action=services


tran-t89@webmail.uwinnipeg.ca


https://en.wikipedia.org/wiki/ARPABET

http://bomtan.net/download/tang-thu-13-3575.html

https://www.youtube.com/watch?v=TexR9i3e_Z0

Giao ly nha Phat

https://www.youtube.com/watch?v=EbXSkw9FyNQ

Empty space
https://www.sciencealert.com/99-9999999-of-your-body-is-empty-space

http://360.thuvienvatly.com/bai-viet/thien-van-vu-tru/1670-co-phai-moi-nguoi-chung-ta-chi-la-mot-ao-anh-ba-chieu

http://tramdoc.vn/tin-tuc/chi-co-duy-nhat-mot-hien-thuc-khong-hoan-toan-khong-naQGW.html

Thien chua giao
https://www.youtube.com/watch?v=b4p--jhGE48

Ho niem
https://www.youtube.com/watch?v=i3W6iJl56lc

History of time
https://www.youtube.com/watch?v=Bi02ufIdWC8

Ly thuyet day
https://www.youtube.com/watch?v=fa9HhkMBV2M

https://www.youtube.com/watch?v=V6USkEsucSI


song ha am

https://www.youtube.com/watch?v=CTrNaKMiy5c

china
https://www.youtube.com/watch?v=E7Jfrzkmzyc

Xich bich
https://www.youtube.com/watch?v=PepWvbKtbPg