http://e-repository.perpus.iainsalatiga.ac.id/11490
http://e-repository.perpus.iainsalatiga.ac.id/11606
http://e-repository.perpus.iainsalatiga.ac.id/11529
http://e-repository.perpus.iainsalatiga.ac.id/11203
http://e-repository.perpus.iainsalatiga.ac.id/11409
http://e-repository.perpus.iainsalatiga.ac.id/11371