How many movies have B.Z. Kadaryono and Maruli Sitompul collaborated on?

They have worked on 4 movies together! Their first movie together was Wishing to Get Rich Quick (1976) while their highest rated movie together was A Young Wife's Witchcraft (1977). They have not worked together since Midah Perawan Buronan (1983). They are most known for their horror films together.