http://e-repository.perpus.iainsalatiga.ac.id/10074
http://e-repository.perpus.iainsalatiga.ac.id/10025
http://e-repository.perpus.iainsalatiga.ac.id/10053
http://e-repository.perpus.iainsalatiga.ac.id/10000
http://e-repository.perpus.iainsalatiga.ac.id/9927