E. T. Shikesho y P. A. Mbenzi, «A scholarly review of “Oshikwanyama Orthography 3” and the justification for the need for “Oshikwanyama Orthography 4”: Ekonakono lomoule “loshikwanyama omushangelo 3” neyelifo lediladilo “lomushangelo 4 woshikwanyama”», Revista Njinga & Sepé, vol. 5, n.º Especial II, pp. 154–170, ago. 2025, Accedido: nov. 15, 2026. Disponible en: https://revistas.unilab.edu.br/njingaesape/article/view/2227