http://e-repository.perpus.iainsalatiga.ac.id/11079
http://e-repository.perpus.iainsalatiga.ac.id/11035
http://e-repository.perpus.iainsalatiga.ac.id/11455
http://e-repository.perpus.iainsalatiga.ac.id/10660
http://e-repository.perpus.iainsalatiga.ac.id/10530
http://e-repository.perpus.iainsalatiga.ac.id/10412