http://e-repository.perpus.iainsalatiga.ac.id/11734
http://e-repository.perpus.iainsalatiga.ac.id/12210
http://e-repository.perpus.iainsalatiga.ac.id/11573
http://e-repository.perpus.iainsalatiga.ac.id/11166
http://e-repository.perpus.iainsalatiga.ac.id/11765
http://e-repository.perpus.iainsalatiga.ac.id/11636