http://e-repository.perpus.iainsalatiga.ac.id/19459
http://e-repository.perpus.iainsalatiga.ac.id/19446
http://e-repository.perpus.iainsalatiga.ac.id/18419
http://e-repository.perpus.iainsalatiga.ac.id/19103
http://e-repository.perpus.iainsalatiga.ac.id/19039
http://e-repository.perpus.iainsalatiga.ac.id/18987