Ivan Tjahja Wiguna@iv4n1596Follow BadgesProblem SolvingCPPC language CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experienceiv4n1596 has not updated employment details yet.Educationiv4n1596 has not updated education details yet.Linksiv4n1596 has not updated links details yet. Skillsiv4n1596 has not updated skills details yet.