Hardiansyah, Framz, et al. “DEVELOPMENT OF LEARNING MEDIA SMART BOOK TO IMPROVE UNDERSTANDING OF ELEMENTARY SCHOOL STUDENTS IN SCIENCE LEARNING ”. Lentera Pendidikan : Jurnal Ilmu Tarbiyah Dan Keguruan, vol. 26, no. 1, May 2023, pp. 72-87, doi:10.24252/lp.2023v26n1i7.