http://e-repository.perpus.iainsalatiga.ac.id/11035
http://e-repository.perpus.iainsalatiga.ac.id/11455
http://e-repository.perpus.iainsalatiga.ac.id/11043
http://e-repository.perpus.iainsalatiga.ac.id/11226
http://e-repository.perpus.iainsalatiga.ac.id/11426
http://e-repository.perpus.iainsalatiga.ac.id/11088