Buku dapat diakses secara bebas (Open Access) melalui https://www.degruyter.com/view/title/123795 https://doi.org/10.1515/9783110282269
Buku dapat diakses secara bebas (Open Access) melalui https://www.degruyter.com/view/title/80864 https://doi.org/10.1515/9783111456706
Buku bisa diakses secara bebas (Open Access) melalui https://content.sciendo.com/view/title/570638 https://doi.org/10.2478/9783110680591
Buku dapat diakses secara bebas (Open Access) melalui https://www.degruyter.com/view/title/561095 https://doi.org/10.1515/9783110667219
Buku dapat diakses secara bebas (Open Access) melalui https://www.degruyter.com/view/title/521072 https://doi.org/10.1515/9783110479133
Buku dapat diakses secara bebas (Open Access) melalui https://www.degruyter.com/view/title/447830 https://doi.org/10.1515/9783110308464
Bukku dapat diakses secara bebas (Open Access) melalui https://www.degruyter.com/view/title/511161 https://doi.org/10.1515/9783110429176
Buku dapat diakses secara bebas (Open Access) melalui https://www.degruyter.com/view/title/576169 https://doi.org/10.1515/9783035622164
Buku ini dapat diakses secara bebas (Open Acces) melalui https://www.degruyter.com/view/title/496719 https://doi.org/10.1515/9783038216506