http://e-repository.perpus.iainsalatiga.ac.id/9223
http://e-repository.perpus.iainsalatiga.ac.id/9463
http://e-repository.perpus.iainsalatiga.ac.id/11337
http://e-repository.perpus.iainsalatiga.ac.id/11439
http://e-repository.perpus.iainsalatiga.ac.id/11500
http://e-repository.perpus.iainsalatiga.ac.id/11636