PENINGKATAN KETERAMPILAN PROSES SAINS DASAR DENGAN PENDEKATAN OPEN-INQUIRY PENELITIAN TINDAKAN DI KELOMPOK B TK MUSLIMAT 02 SINGOSARI MALANG 2013 IMPROVING BASIC SCIENCE PROCESS SKILL WITH OPEN-INQUIRY APPROACH (AN ACTION RESEARCH IN GROUP B OF TK MUSLIMAT 02 SINGOSARI 2013) LAILY NUR AISIYAH ABSTRACT The objetive of this action research was to understand comprehensively the effort to im…