AN ALIS IS S IS T E M INF ORM ASI PRODU K S I DA L AM M E ND U K U NG S IS T E M P E NG E ND A L IAN INTE RN P ROD UK S I P A DA P T P N X I ( P E RS E RO) PG DJA T IROT O - Ye p p y Age sr i m a Hardi n i (2014)