Shofiyulloh, M., Rahmawati, D., Santosa, H. and Sugara, Z. (2022) “Social Support and Leadership Effectiveness: Insights from Pesantren Bahrul Ulum Jombang”, Jurnal Pendidikan Islam, 11(2), pp. 153–161. doi: 10.14421/jpi.2022.112.153-161.