Pramita, R. and Yulkifli, Y. 2023. Validity and Practicality of the E-Book Science Model RADEC (Read-Answer-Discuss-Explain-Create) to Improve the 4C Skills of Students. Jurnal Penelitian Pendidikan IPA. 9, 10 (Oct. 2023), 8722–8729. DOI:https://doi.org/10.29303/jppipa.v9i10.4337.