Maryani, Mila, and Reinita Reinita. “Analisis Validitas Bahan Ajar Elektronik Materi Elemen Pancasila Menggunakan Pendekatan VCT Model Matriks Di SD”. ELSE (Elementary School Education Journal): Jurnal Pendidikan dan Pembelajaran Sekolah Dasar 7, no. 2 (August 17, 2023): 179–185. Accessed December 5, 2025. https://journal.um-surabaya.ac.id/pgsd/article/view/19875.