olah k2
http://e-repository.perpus.iainsalatiga.ac.id/8417
http://e-repository.perpus.iainsalatiga.ac.id/8720
http://e-repository.perpus.iainsalatiga.ac.id/8718
http://e-repository.perpus.iainsalatiga.ac.id/8724
http://e-repository.perpus.iainsalatiga.ac.id/8843
olah k2
http://e-repository.perpus.iainsalatiga.ac.id/7906