http://e-repository.perpus.iainsalatiga.ac.id/18432
http://e-repository.perpus.iainsalatiga.ac.id/18969
http://e-repository.perpus.iainsalatiga.ac.id/18962
http://e-repository.perpus.iainsalatiga.ac.id/18984
http://e-repository.perpus.iainsalatiga.ac.id/18963
http://e-repository.perpus.iainsalatiga.ac.id/19387