http://e-repository.perpus.iainsalatiga.ac.id/14174
http://e-repository.perpus.iainsalatiga.ac.id/14128
http://e-repository.perpus.iainsalatiga.ac.id/14007
http://e-repository.perpus.iainsalatiga.ac.id/12769
http://e-repository.perpus.iainsalatiga.ac.id/14678
http://e-repository.perpus.iainsalatiga.ac.id/14566