FENDRI MARTADINATA; HAKIM, R. Use Of Certified Digital Signatures For Android-Based School Lettering. Journal Health Applied Science and Technology, [S. l.], v. 2, n. 2, p. 168–172, 2025. DOI: 10.52523/jhast.v2i2.66. Disponível em: https://jhast.ikestmp.ac.id/index.php/jhast/article/view/66. Acesso em: 26 mar. 2026.