Shikesho, Edward Tangeni, y Petrus Angula 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”». NJINGA&SEPÉ: Revista Internacional de Culturas, Línguas Africanas e Brasileiras 5, no. Especial II (agosto 6, 2025): 154–170. Accedido noviembre 15, 2026. https://revistas.unilab.edu.br/njingaesape/article/view/2227.