D.  Kawalya, Bostoen, K., and De Schryver, G. - M., ?Diachronic semantics of the modal verb -sóból- in Luganda?, 2014.

D.  Kawalya and De Schryver, G. - M., ?Introducing a New Lexicographical Model: {AlphaConceptual}$\mathplus$ (and How it Could Be Applied to Dictionaries for Luganda)?, 2013.