http://e-repository.perpus.iainsalatiga.ac.id/14537
http://e-repository.perpus.iainsalatiga.ac.id/12654
http://e-repository.perpus.iainsalatiga.ac.id/11610
http://e-repository.perpus.iainsalatiga.ac.id/10248
http://e-repository.perpus.iainsalatiga.ac.id/10358
http://e-repository.perpus.iainsalatiga.ac.id/8822