ICHSAN, Ilmi Zajuli; RAMDANI, Akhmad Subkhi; PURWANITININGSIH, Eny; PERTIWI, Santhi; SAFAAT, Saat. Student worksheets on environmental education based on project-based learning for the 4r topic in elementary school. JURNAL PENDIDIKAN DASAR, [S. l.], v. 14, n. 1, p. 43–48, 2026. DOI: 10.46368/jpd.v14i1.5167. Disponível em: https://jurnalstkipmelawi.ac.id/index.php/JPD/article/view/5167. Acesso em: 9 jul. 2026.