NI SIYU@nisiyu91Follow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencenisiyu91 has not updated employment details yet.Educationnisiyu91 has not updated education details yet.Linksnisiyu91 has not updated links details yet. Skillsnisiyu91 has not updated skills details yet.