“Inovasi Pendidikan Karakter Melalui Pembiasaan Sholat Tahajjud Dalam Membentuk Sikap Istiqomah Santri Nurul Jannah Kota Probolinggo”. Edu Journal Innovation in Learning and Education, vol. 4, no. 1, June 2026, pp. 34-47, https://doi.org/10.55352/edu.v4i1.2857.