http://e-repository.perpus.iainsalatiga.ac.id/8350
http://e-repository.perpus.iainsalatiga.ac.id/8472
http://e-repository.perpus.iainsalatiga.ac.id/8940
http://e-repository.perpus.iainsalatiga.ac.id/8440
http://e-repository.perpus.iainsalatiga.ac.id/8556