Enhancement of Critical Thinking Skills of Grade X Students at SMKN 2 Singosari in History Learning: The Process of Islam's Entry and Development in the Archipelago through Project-Based Learning Journal title: International Journal of Multidisciplinary Research and Analysis Authors: Fidda Zurika Islamia, Erfan Rolis, Harun Ahmad, Sutejo Subject(s): Biological Sciences, Economics, Education, Engineering, Mathematics, Social Sciences, Technological Change, Health science