http://e-repository.perpus.iainsalatiga.ac.id/13062
http://e-repository.perpus.iainsalatiga.ac.id/12904
http://e-repository.perpus.iainsalatiga.ac.id/12209
http://e-repository.perpus.iainsalatiga.ac.id/11991
http://e-repository.perpus.iainsalatiga.ac.id/12525
http://e-repository.perpus.iainsalatiga.ac.id/12321