INSTRUMENT VALIDITY FOR LEARNING RESOURCES ANALYSIS OF DIGITAL DISASTER FOR COASTAL AREAS: AN ANALYSIS OF AIKEN’S V. Primary: Jurnal Pendidikan Guru Sekolah Dasar, [S. l.], v. 12, n. 1, p. 114–125, 2023. DOI: 10.33578/jpfkip.v12i1.9320. Disponível em: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/350. Acesso em: 14 dec. 2025.