http://e-repository.perpus.iainsalatiga.ac.id/19088
http://e-repository.perpus.iainsalatiga.ac.id/19125
http://e-repository.perpus.iainsalatiga.ac.id/19126
http://e-repository.perpus.iainsalatiga.ac.id/19016
http://e-repository.perpus.iainsalatiga.ac.id/19109
http://e-repository.perpus.iainsalatiga.ac.id/18139