http://e-repository.perpus.iainsalatiga.ac.id/19690
http://e-repository.perpus.iainsalatiga.ac.id/19822
http://e-repository.perpus.iainsalatiga.ac.id/19990
http://e-repository.perpus.iainsalatiga.ac.id/20009
http://e-repository.perpus.iainsalatiga.ac.id/19925
http://e-repository.perpus.iainsalatiga.ac.id/19924