http://e-repository.perpus.iainsalatiga.ac.id/18392
http://e-repository.perpus.iainsalatiga.ac.id/18370
http://e-repository.perpus.iainsalatiga.ac.id/18719
http://e-repository.perpus.iainsalatiga.ac.id/18353
http://e-repository.perpus.iainsalatiga.ac.id/18051
http://e-repository.perpus.iainsalatiga.ac.id/15985