Cho nên muốn trọn kiếp người.
Phải tu thân tích đức, phải nuôi chí bền.
http://sade.forumcrea.com/viewtopic.php?pid=209871#p209871
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https://mru.org/users/146679
http://revistas.uned.es/index.php/RLLCGV/user/viewPublicProfile/279492
http://www.kzncomsafety.gov.za/UserProfile/tabid/255/userId/181676/Default.aspx
http://www.fupress.net/index.php/test1/user/viewPublicProfile/190478
https://www.ramart.org/users/mattroi
https://revistas.ulima.edu.pe/index.php/enfoque/user/viewPublicProfile/22814
http://journals.sbmu.ac.ir/en-iranjem/user/viewPublicProfile/48863
https://www.ramart.org/users/canhdong
https://academy.autodesk.com/users/sonharpak4
https://twinoid.com/user/9880287
http://www.bakespace.com/members/profile/canhdong/780518/
https://www.openstreetmap.org/user/canhdong
https://www.stem.org.uk/user/705673