Muhtifah, L. 2016. The Reinforcement of Pesantren as Harmonization Agent of Religious Life in Pesantren “AL-FATAH” Singkawang, West Kalimantan. Jurnal Pendidikan Islam. 5, 2 (Dec. 2016), 364–368. DOI:https://doi.org/10.14421/jpi.2016.52.364-368.