Development of Electronic Student Worksheets (E-Lkpd): Environmental Changes to Train Problem-Solving Skills of Grade X High School Students. JISIP (Jurnal Ilmu Sosial dan Pendidikan), [S. l.], v. 10, n. 4, p. 2075–2087, 2026. DOI: 10.58258/rsasx870. Disponível em: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/11280. Acesso em: 4 nov. 2026.