Rahayu, S. 2019. Improving Problem Solving Ability Tolerance in Diversity Material through Project-Based Learning in Class VII.3 of SMP Negeri 2 Parungpanjang. JURNAL KAJIAN ISLAM MODERN. 5, 01 (Jun. 2019). DOI:https://doi.org/10.56406/jkim.v5i01.158.