http://e-repository.perpus.iainsalatiga.ac.id/18532
http://e-repository.perpus.iainsalatiga.ac.id/18323
http://e-repository.perpus.iainsalatiga.ac.id/18346
http://e-repository.perpus.iainsalatiga.ac.id/19487
http://e-repository.perpus.iainsalatiga.ac.id/19420
http://e-repository.perpus.iainsalatiga.ac.id/19602