Eko Sugandi, and Hanim Faizah. “Pengaruh Mathematical Digital Book (MAGIC BOOK) Terhadap Keterampilan Berpikir Kritis Siswa Sekolah Dasar”. Pi: Mathematics Education Journal 6, no. 2 (October 30, 2023): 67–72. Accessed October 18, 2026. https://ejournalstaging.unikama.ac.id/index.php/pmej/article/view/8243.