http://e-repository.perpus.iainsalatiga.ac.id/17523
http://e-repository.perpus.iainsalatiga.ac.id/17475
http://e-repository.perpus.iainsalatiga.ac.id/16182
http://e-repository.perpus.iainsalatiga.ac.id/15961
http://e-repository.perpus.iainsalatiga.ac.id/15944
http://e-repository.perpus.iainsalatiga.ac.id/16194