How many movies have Haryadi Siswanto and Iksan Lahardi collaborated on?

They have worked on 7 movies together! Their first movie together was IQ Jongkok (1981) while their highest rated movie together was Chips (Cara Hebat Ikut Penanggulangan Sosial) (1982). They have not worked together since Glance of the Red Snake (1989). They are most known for their comedy films together.