PENINGKATAN KETERAMPILAN PROSES SAINS DAN PENGUASAAN KONSEP SISWA MELALUI PENERAPAN MODEL PEMBELAJARAN INKUIRI TERBIMBING MATERI LARUTAN LEKTROLIT DAN NON-ELEKTROLIT (INCREASING OF STUDENT SCIENCE PROCESS SKILLS AND MASTERING OF CONCEPTS THROUGH GUIDED INQUIRY LEARNING MODEL IMPLEMENTATION ON ELECTROLYTE AND NON-ELECTROLYTE SOLUTION MATTER) - ELJUAN EGA ZAHRA, ELI (Universitas Negeri Surabaya, 2017)