http://e-repository.perpus.iainsalatiga.ac.id/19513
http://e-repository.perpus.iainsalatiga.ac.id/19488
http://e-repository.perpus.iainsalatiga.ac.id/19658
http://e-repository.perpus.iainsalatiga.ac.id/19839
http://e-repository.perpus.iainsalatiga.ac.id/19517
http://e-repository.perpus.iainsalatiga.ac.id/19477