Hidayatullah, S. 2016. Developing of Multiculturalism in the Pesantren: Study on KH Abdul Muhaimin and the Pesantren of Nurul Ummahaat. Jurnal Pendidikan Islam. 5, 2 (Dec. 2016), 305–324. DOI:https://doi.org/10.14421/jpi.2016.52.305-324.