Bùi Kiệt@LTV17Ti_TuanKietVietnamFollowAboutEducationtrường THPT chuyên Lương Thế Vinh BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceLTV17Ti_TuanKiet has not updated employment details yet.Educationtrường THPT chuyên Lương Thế Vinh