Rigusti, Wangsit, et al. “The Effect of PBL Model and Learning Styles on Mathematical Problem-Solving and Self Esteem Abilities”. Prisma Sains : Jurnal Pengkajian Ilmu Dan Pembelajaran Matematika Dan IPA IKIP Mataram, vol. 8, no. 1, June 2020, pp. 12-24, doi:10.33394/j-ps.v8i1.2683.