Pangastuti, R. et al. 2022. Development of Learn to Think (LTT) Model Based on Integrated Twin Tower (ITT) to Increase Scientific and Spiritual Creativity of students in the Early Childhood Islamic Education. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram. 10, 2 (Mar. 2022), 278–286. DOI:https://doi.org/10.33394/j-ps.v10i2.4904.