Di Olah K2
http://e-repository.perpus.iainsalatiga.ac.id/8801
http://e-repository.perpus.iainsalatiga.ac.id/8732
http://e-repository.perpus.iainsalatiga.ac.id/8629
http://e-repository.perpus.iainsalatiga.ac.id/8345
http://e-repository.perpus.iainsalatiga.ac.id/8698
http://e-repository.perpus.iainsalatiga.ac.id/8760