http://e-repository.perpus.iainsalatiga.ac.id/13154
http://e-repository.perpus.iainsalatiga.ac.id/13125
http://e-repository.perpus.iainsalatiga.ac.id/17447
http://e-repository.perpus.iainsalatiga.ac.id/17081
http://e-repository.perpus.iainsalatiga.ac.id/17941
http://e-repository.perpus.iainsalatiga.ac.id/20111