http://e-repository.perpus.iainsalatiga.ac.id/11716
http://e-repository.perpus.iainsalatiga.ac.id/12463
http://e-repository.perpus.iainsalatiga.ac.id/12487
http://e-repository.perpus.iainsalatiga.ac.id/12015
http://e-repository.perpus.iainsalatiga.ac.id/11809
http://e-repository.perpus.iainsalatiga.ac.id/13138