Sony Alpha NEX3 Advance:

https://ccsgioan23.files.wordpress.com/2016/05/sonynex3advance.pdf

Sony Alpha NEX3 Basic:

https://ccsgioan23.files.wordpress.com/2016/05/sonynex3basic.pdf

Sony Alpha A600 Advance:

https://ccsgioan23.files.wordpress.com/2016/05/sonya6000advance.pdf

Sony Alpha A600 Basic:

https://ccsgioan23.files.wordpress.com/2016/05/sonya6000basic.pdf

https://ccsgioan23.files.wordpress.com/2016/04/kinh_sang_mau_1.pdf

https://ccsgioan23.files.wordpress.com/2016/04/kinh_toi_can_ban.pdf

https://ccsgioan23.files.wordpress.com/2016/04/kinh_truoc_va_sau_bua_an.pdf

https://ccsgioan23.files.wordpress.com/2016/04/kinh_truoc_va_sau_bua_an1.pdf