RATNASARI, Ratnasari; UTAMI, Karinta; RAHAYU, Dewi; -, Karlimah; SAPUTRA, Erwin Rahayu. PENGEMBANGAN ACTIVITY BOOK BERBASIS STEAM SEBAGAI MEDIA PEMBELAJARAN ABAD 21 DI KELAS 1 SD. ELSE (Elementary School Education Journal): Jurnal Pendidikan dan Pembelajaran Sekolah Dasar, [S. l.], v. 7, n. 1, p. 81–87, 2023. DOI: 10.30651/else.v7i1.13673. Disponível em: https://journal.um-surabaya.ac.id/pgsd/article/view/13673. Acesso em: 5 dec. 2025.