Anggara, Dameis Surya, and Candra Abdillah. “Content Validity Analysis of Literacy Assessment Instruments”. Jurnal Cakrawala Pendidikan 42, no. 2 (May 29, 2023): 447–459. Accessed May 8, 2025. https://journal.uny.ac.id/index.php/cp/article/view/55900.