http://e-repository.perpus.iainsalatiga.ac.id/13116
http://e-repository.perpus.iainsalatiga.ac.id/13185
http://e-repository.perpus.iainsalatiga.ac.id/13275
http://e-repository.perpus.iainsalatiga.ac.id/15197
http://e-repository.perpus.iainsalatiga.ac.id/13824
http://e-repository.perpus.iainsalatiga.ac.id/16138