Hiếu Barn@HieuBanFollow BadgesC language CertificationsCertificate: C (Basic)VerifiedskillCertificate: C (Intermediate)VerifiedskillWork ExperienceHieuBan has not updated employment details yet.EducationHieuBan has not updated education details yet.LinksHieuBan has not updated links details yet. SkillsHieuBan has not updated skills details yet.