NGUYỄN XUÂN ĐẠT

http://elight.edu.vn/bai-giang-tieng-anh-cho-nguoi-mat-goc/

http://tienganhchonguoibatdau.com/?gclid=CjwKEAjwxeq9BRDDh4_MheOnvAESJABZ4VTqdlCLfBUp1jb31xjKGUUIu540i7-2jFXKPNK5fEXvPRoCxOzw_wcB

http://www.slideshare.net/thaovo58367/nhng-kin-thc-c-bn-cn-bit-v-microsoft-word

file:///C:/Users/DELL/Downloads/Minnano_nihongo_kotoba_50bai.pdf

http://esjc.net/dung-cu-do-nghe-dien-lanh_c155.aspx?page=4

http://www.pcworld.com.vn/articles/cong-nghe/lam-the-nao/2009/10/1194677/co-ban-ve-cap-quang-va-cac-dau-noi/

http://m.genk.vn/40-trang-hoc-online-day-ban-moi-thu-tren-doi-20160804181819647.chn

http://sinhvienit.net/forum/hop-phoi-quang-odf-la-gi-cong-dung-cach-dung-va-phan-loai-hop-phoi-quang-hop-phoi-quang-odf-la-gi.381668.html