http://e-repository.perpus.iainsalatiga.ac.id/10532
http://e-repository.perpus.iainsalatiga.ac.id/10761
http://e-repository.perpus.iainsalatiga.ac.id/11935
http://e-repository.perpus.iainsalatiga.ac.id/11972
http://e-repository.perpus.iainsalatiga.ac.id/12215
http://e-repository.perpus.iainsalatiga.ac.id/12907