"1) R. Nkaka & C. Kabwete (2020), “Sacred Kingship and Political Power in Ancient Rwanda”
Rwanda Journal of Social Sciences. Humanities and Business, Vol.1, no 1 https://dx.doi.org/10.4314/rjsshb.v1i1.3. Main author
2) R. Nkaka & C. Kabwete, (2017) “Royauté sacrée et Pouvoir Politique dans l’ancien. Main author
Rwanda”, Afrika Zamani journal https://codesria.org/spip.php?article2916&lang=en
3) R.Nkaka (2017) “Rwanda National Days celebrations and racist propaganda, 1962- 1982”, Rwanda Journal of Social sciences, Vol.4, 1
http://dx.doi.org/10.4314/rj.v4i1.3B.
4) R. Nkaka (2017) “Definition issues of the concepts of social cleavages in Africa”, Rwanda Journal of Arts and Humanities, Vol.2, 2 https://dx.doi.org/10.4314/rj.v2i2.3A
5) C. Kabwete & R. Nkaka, (2017) “The political vision of Rwanda kingdom”. Rwanda Journal of Arts and Humanities, Vol.2, 2 https://dx.doi.org/10.4314/rj.v2i2.6A
"