c 1-4 olah
http://e-repository.perpus.iainsalatiga.ac.id/10415
http://e-repository.perpus.iainsalatiga.ac.id/10127
http://e-repository.perpus.iainsalatiga.ac.id/9621
http://e-repository.perpus.iainsalatiga.ac.id/8822
http://e-repository.perpus.iainsalatiga.ac.id/9756
c 1.2 olah
c.1 olah