Pemberdayaan Masyarakat Perkotaan Kumuh : Studi Deskriptif Program Peningkatan Penghidupan Masyarakat Berbasis Komunitas (PPMK), Kota Tanpa Kumuh (KOTAKU) Di Kelurahan Pisangan Timur, Kecamatan Pulogadung, Kota Jakarta Timur = Slum Urban Community Development: Descriptive Study of Community-Based Community Livelihood Improvement Program (PPMK), City without Slums (KOTAKU) in East Pisangan Urban Village, Pulogadung Sub-District, East Jakarta