The Skill in Designing Explorative Learning Tools Of Mathematics Pre-Service Teachers Through Explorative Learning Based On Metacognitive ScaffoldingHepsi Nindiasari, IndhiraAsih ViviYandari, Etika Khaerunnisa and Aan Subhan PamungkasSHS Web Conf., 42 (2018) 00105DOI: https://doi.org/10.1051/shsconf/20184200105