POLA HUJAN DI BAGIAN HULU DAERAH ALIRAN SUNGAI BENGAWAN SOLO DALAM PERENCANAAN PEMANFAATAN SUMBER DAYA AIR (Rainfall pattern for water resources utilization planning in the upperstream of Bengawan Solo Watershed) - Auliyani, Diah (Center for Implementation of Standards for Environmental and Forestry Instruments Solo, 2020)