http://e-repository.perpus.iainsalatiga.ac.id/19298
http://e-repository.perpus.iainsalatiga.ac.id/19251
http://e-repository.perpus.iainsalatiga.ac.id/19025
http://e-repository.perpus.iainsalatiga.ac.id/18467
http://e-repository.perpus.iainsalatiga.ac.id/19145
http://e-repository.perpus.iainsalatiga.ac.id/19480