Rahmadewi, S. et al. 2026. The RADEC Model for Enhancing Higher-Order Thinking Skills (HOTS) in Elementary School Students: A Systematic Literature Review. ELSE (Elementary School Education Journal): Jurnal Pendidikan dan Pembelajaran Sekolah Dasar. 10, 2 (Oct. 2026). DOI:https://doi.org/10.30651/else.v10i2.33733.