May 28 2013 Training Ahli Higiene Industri Muda (HIMU) Sertifikasi BNSP admin Training K3 Ahli higiene industri, higiene industri, training industrial hygine
July 10 2013 Training Ahli Higiene Industri Madya (HIMA) Sertifikasi BNSP admin Training K3 training industrial hygine, Training K3
