Basith, Abd. “THE USE OF PROBLEM SOLVING METHODS AND THEIR EFFECTS ON THE STUDENTS’ LEARNING OUTCOMES AT AL-ANWAR ISLAMIC MIDDLE SCHOOL GULUK-GULUK SUMENEP”. JURNAL SETIA PANCASILA, vol. 2, no. 1, Sept. 2021, pp. 44-51, doi:10.36379/jsp.v2i1.177.