http://e-repository.perpus.iainsalatiga.ac.id/12089
http://e-repository.perpus.iainsalatiga.ac.id/12098
http://e-repository.perpus.iainsalatiga.ac.id/10594
http://e-repository.perpus.iainsalatiga.ac.id/12977
http://e-repository.perpus.iainsalatiga.ac.id/12957
http://e-repository.perpus.iainsalatiga.ac.id/12034