SILENT POWER THAT MOVES THE WORLD: Kepemimpinan Sunyi Mojtaba Khamenei (2026). PENERBIT KARYA BAKTI MAKMUR (KBM) INDONESIA. Tersedia pada: https://librarypenerbitkbm.science/index.php/buku/catalog/book/1289 (Diakses: 30 September 2026).