MELATIHKAN KETERAMPILAN PROSES SAINS MELALUI MODEL PEMBELAJARAN INKUIRI TERBIMBING PADA MATERI LAJU REAKSI (EXERCISE TO SCIENCE PROCESS SKILLS THROUGH GUIDED INQUIRY LEARNING MODEL IN MATTER OF REACTION RATE) - KHOIROTUL BADRIYAH, GRESIANA (Universitas Negeri Surabaya, 2016)