Septaria, Kiki, and Binar Ayu Dewanti. “Implementation of Project Based Learning on Student Reasoning on Covid-19 Disaster Mitigation”. Prisma Sains : Jurnal Pengkajian Ilmu Dan Pembelajaran Matematika Dan IPA IKIP Mataram, vol. 9, no. 1, June 2021, pp. 20-27, doi:10.33394/j-ps.v9i1.2951.