http://e-repository.perpus.iainsalatiga.ac.id/18569
http://e-repository.perpus.iainsalatiga.ac.id/18573169
http://e-repository.perpus.iainsalatiga.ac.id/12243
http://e-repository.perpus.iainsalatiga.ac.id/17102
http://e-repository.perpus.iainsalatiga.ac.id/17292
http://e-repository.perpus.iainsalatiga.ac.id/17220
http://e-repository.perpus.iainsalatiga.ac.id/13132