http://e-repository.perpus.iainsalatiga.ac.id/12273
http://e-repository.perpus.iainsalatiga.ac.id/11999
http://e-repository.perpus.iainsalatiga.ac.id/11872
http://e-repository.perpus.iainsalatiga.ac.id/11828
http://e-repository.perpus.iainsalatiga.ac.id/11770
http://e-repository.perpus.iainsalatiga.ac.id/11270