http://e-repository.perpus.iainsalatiga.ac.id/12202
http://e-repository.perpus.iainsalatiga.ac.id/11849
http://e-repository.perpus.iainsalatiga.ac.id/12148
http://e-repository.perpus.iainsalatiga.ac.id/13183
http://e-repository.perpus.iainsalatiga.ac.id/13181
http://e-repository.perpus.iainsalatiga.ac.id/13028