http://e-repository.perpus.iainsalatiga.ac.id/20050
http://e-repository.perpus.iainsalatiga.ac.id/19629
http://e-repository.perpus.iainsalatiga.ac.id/19517
http://e-repository.perpus.iainsalatiga.ac.id/19469
http://e-repository.perpus.iainsalatiga.ac.id/19487
http://e-repository.perpus.iainsalatiga.ac.id/19023
http://e-repository.perpus.iainsalatiga.ac.id/18280