http://e-repository.perpus.iainsalatiga.ac.id/12171
http://e-repository.perpus.iainsalatiga.ac.id/11841
http://e-repository.perpus.iainsalatiga.ac.id/13027
http://e-repository.perpus.iainsalatiga.ac.id/13296
http://e-repository.perpus.iainsalatiga.ac.id/13109
http://e-repository.perpus.iainsalatiga.ac.id/13157