Khalel, N.Z. et al. 2023. Development of Digital Books Based on the RANDAI Learning Model Integrated with West Sumatra Local Wisdom on Environmental Change Material. Jurnal Penelitian Pendidikan IPA. 9, SpecialIssue (Dec. 2023), 1307–1315. DOI:https://doi.org/10.29303/jppipa.v9iSpecialIssue.4113.