http://e-repository.perpus.iainsalatiga.ac.id/10821
http://e-repository.perpus.iainsalatiga.ac.id/10814
http://e-repository.perpus.iainsalatiga.ac.id/13497
http://e-repository.perpus.iainsalatiga.ac.id/13018
http://e-repository.perpus.iainsalatiga.ac.id/13548
http://e-repository.perpus.iainsalatiga.ac.id/13041