http://e-repository.perpus.iainsalatiga.ac.id/19999
http://e-repository.perpus.iainsalatiga.ac.id/18722
http://e-repository.perpus.iainsalatiga.ac.id/19080
http://e-repository.perpus.iainsalatiga.ac.id/13344
http://e-repository.perpus.iainsalatiga.ac.id/9485
c. 2 sdh