Thiennn @doanthienykaViet NamFollow BadgesProblem Solving CertificationsCertificate: JavaScript (Basic)VerifiedskillCertificate: CSS (Basic)VerifiedskillWork Experiencedoanthienyka has not updated employment details yet.EducationUniversity of Fire Prevention and FightingRescue, BEUniversity of Fire Prevention and FightingRescue, BE