http://e-repository.perpus.iainsalatiga.ac.id/19263
http://e-repository.perpus.iainsalatiga.ac.id/19109
http://e-repository.perpus.iainsalatiga.ac.id/19041
http://e-repository.perpus.iainsalatiga.ac.id/18467
http://e-repository.perpus.iainsalatiga.ac.id/18992
http://e-repository.perpus.iainsalatiga.ac.id/19296