http://e-repository.perpus.iainsalatiga.ac.id/18727
http://e-repository.perpus.iainsalatiga.ac.id/18316
http://e-repository.perpus.iainsalatiga.ac.id/18913
http://e-repository.perpus.iainsalatiga.ac.id/18944
http://e-repository.perpus.iainsalatiga.ac.id/19265
http://e-repository.perpus.iainsalatiga.ac.id/19298