Pratiwi, Aci, et al. “Character Education Values: Is Learning Process in Elementary School Implement It?”. Prisma Sains : Jurnal Pengkajian Ilmu Dan Pembelajaran Matematika Dan IPA IKIP Mataram, vol. 9, no. 2, Dec. 2021, pp. 267-79, doi:10.33394/j-ps.v9i2.4374.