Le Quang Dung@green_osFreelancerFollow BadgesC language CertificationsCertificate: C (Basic)VerifiedskillCertificate: C (Intermediate)VerifiedskillCertificate: C (Advanced)VerifiedskillWork Experiencegreen_os has not updated employment details yet.Educationgreen_os has not updated education details yet.Linksgreen_os has not updated links details yet. Skillsgreen_os has not updated skills details yet.