Bahri, M.S., Florentinus, T.S. and Haryono, H. 2019. Development of Nested-Integrated Learning Model in Indonesian Subjects Based on 21st Century Learning. Innovative Journal of Curriculum and Educational Technology. 9, 1 (Aug. 2019), 10-16. DOI:https://doi.org/10.15294/ijcet.v9i1.33130.