http://e-repository.perpus.iainsalatiga.ac.id/12175
http://e-repository.perpus.iainsalatiga.ac.id/10504
http://e-repository.perpus.iainsalatiga.ac.id/10204
http://e-repository.perpus.iainsalatiga.ac.id/11000
http://e-repository.perpus.iainsalatiga.ac.id/11277
http://e-repository.perpus.iainsalatiga.ac.id/10762