“Implementasi Hidden Curriculum Dalam Membentuk Karakter Religius Santri Di PPP Salafiyah 2 Bangil”. Kalam Al Gazali: Education and Islamic Studies Journal, vol. 3, no. 1, Feb. 2026, pp. 37-46, https://journal.stai-barru.ac.id/index.php/al-kalam/article/view/148.