http://e-repository.perpus.iainsalatiga.ac.id/10835
http://e-repository.perpus.iainsalatiga.ac.id/11256
http://e-repository.perpus.iainsalatiga.ac.id/10448
http://e-repository.perpus.iainsalatiga.ac.id/9120
http://e-repository.perpus.iainsalatiga.ac.id/9568
http://e-repository.perpus.iainsalatiga.ac.id/10531