RINTIA, Rintia; SYLVIA, Ike. Validitas Lembar Kerja Peserta Didik (LKPD) Sosiologi Menggunakan Model Problem Based Learning (PBL) Materi Perubahan Sosial. Naradidik: Journal of Education and Pedagogy, [S. l.], v. 3, n. 2, p. 116–125, 2024. DOI: 10.24036/nara.v3i2.206. Disponível em: https://naradidik.ppj.unp.ac.id/index.php/nara/article/view/206. Acesso em: 3 jul. 2025.