http://e-repository.perpus.iainsalatiga.ac.id/19002
http://e-repository.perpus.iainsalatiga.ac.id/17734
http://e-repository.perpus.iainsalatiga.ac.id/18962
http://e-repository.perpus.iainsalatiga.ac.id/18969
http://e-repository.perpus.iainsalatiga.ac.id/18984
http://e-repository.perpus.iainsalatiga.ac.id/17336