Kepekaan makroinvertebrata bentos terhadap tingkat pencemaran deterjen. Studi kasus di Kali Mas Surabaya = The sensitivity of benthic macroinvertebrate to detergent pollution level. A Case study in Surabaya Mas River - Catur Retnaningdyah, author (Program Pascasarjana Universitas Indonesia, 1997)