SAFRIZAL, Safrizal; BAHRI, Syamsul; JUMIARTI, Desri; HAKIMI, Musawer. Development of a Validation System (SVeR) Based on the Open Journal System for Testing the Validity of Learning Tools. Jurnal Inovasi Teknologi Pendidikan, [S. l.], v. 13, n. 2, 2026. DOI: 10.21831/jitp.v13i2.95262. Disponível em: https://journal.uny.ac.id/index.php/jitp/article/view/95262. Acesso em: 9 aug. 2026.