Analisis konsentrasi mikroorganisme udara terkait keberadaan instalasi pengolahan air limbah (ipal) di Rumah Sakit: studi kasus: instalasi pengolahan air limbah Rumah Sakit Umum Daerah Budhi Asih Jakarta = Analysis of microbiological air quality in the presence of waste water treatment plant wwtp in a hospital: case study: Rumah Sakit Umum Daerah Budhi Asih Jakarta Waste water treatment plant - Tiara, author (2016)