http://e-repository.perpus.iainsalatiga.ac.id/18971
http://e-repository.perpus.iainsalatiga.ac.id/19232
http://e-repository.perpus.iainsalatiga.ac.id/19348
http://e-repository.perpus.iainsalatiga.ac.id/19148
http://e-repository.perpus.iainsalatiga.ac.id/18490
http://e-repository.perpus.iainsalatiga.ac.id/19149