Ratnaningsih, Apriyani I, Larasati N, Riswanto, Kurniasih Y. PSIKOLOGI KELAS (Membangun Lingkungan Belajar Yang Ramah Anak). PT. Ghani Press Group; 2026. Accessed July 22, 2026. https://e-book.ghanipress.com/index.php/ghanipress/catalog/book/62