Khắc Phạm Tấn@phamtankhacVietnamFollowAboutEducationChuyên Nguyễn Tất Thành BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencephamtankhac has not updated employment details yet.EducationChuyên Nguyễn Tất Thành