Ahmad Ihwanul Muttaqin 2021. Internalization of The Educational Value of Salaf and Kholaf Pesantren: a Comparative Study Between Pesantren An-Nur and Bahjatul Ulum Probolinggo. Risalatuna Journal of Pesantren Studies. 1, 1 (Jan. 2021), 102–118. DOI:https://doi.org/10.54471/rjps.v1i1.1245.