Antono, Mixghan Norman, and Wevi Lutfitasari. Mendampingi Tanpa Mengambil Alih Strategi Shadow Teacher dalam Mengembangkan Bahasa PDBK. PT. Ghani Press Group, 2026. Accessed October 23, 2026. https://e-book.ghanipress.com/index.php/ghanipress/catalog/book/137.