http://e-repository.perpus.iainsalatiga.ac.id/11901
http://e-repository.perpus.iainsalatiga.ac.id/13116
http://e-repository.perpus.iainsalatiga.ac.id/13185
http://e-repository.perpus.iainsalatiga.ac.id/13557
http://e-repository.perpus.iainsalatiga.ac.id/13722
http://e-repository.perpus.iainsalatiga.ac.id/14032