http://e-repository.perpus.iainsalatiga.ac.id/9418
http://e-repository.perpus.iainsalatiga.ac.id/10568
http://e-repository.perpus.iainsalatiga.ac.id/10584
http://e-repository.perpus.iainsalatiga.ac.id/11219
http://e-repository.perpus.iainsalatiga.ac.id/11326