http://e-repository.perpus.iainsalatiga.ac.id/19456
http://e-repository.perpus.iainsalatiga.ac.id/18907
http://e-repository.perpus.iainsalatiga.ac.id/19145
http://e-repository.perpus.iainsalatiga.ac.id/18671
http://e-repository.perpus.iainsalatiga.ac.id/19852
http://e-repository.perpus.iainsalatiga.ac.id/19571