Do Ngoc Son@NgocSonDoFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceNgocSonDo has not updated employment details yet.Educationhanoi university of science and technologyLinksNgocSonDo has not updated links details yet. SkillsNgocSonDo has not updated skills details yet.