List of Articles Humiras Hardi Purba Article 1 - Failure Mode and Effect Analysis Power Plant Boiler 20.1001.1.22519904.2018.11.2.1.3 10.22094/joie.2018.555547.1527 Guntur Pratama Putra Humiras Hardi Purba Journal of Optimization in Industrial Engineering , Issue 24 , Year , Autumn 2018