http://e-repository.perpus.iainsalatiga.ac.id/11072
http://e-repository.perpus.iainsalatiga.ac.id/10876
http://e-repository.perpus.iainsalatiga.ac.id/13868
http://e-repository.perpus.iainsalatiga.ac.id/14003
http://e-repository.perpus.iainsalatiga.ac.id/13825
http://e-repository.perpus.iainsalatiga.ac.id/10835