Fattah, A. 2021. The Use of Problem-Based at the Ushulul Fiqih at Pesantren Al-Ibrohimi Manyar Gresik . JEET, Journal of English Education and Technology. 2, 03 (Oct. 2021), 429-435. DOI:https://doi.org/10.59689/jeet.v2i03.93.