Nteziyaremye, Alphonse, et al. “The Impact of Code Switching and Code Mixing on Learning of English Language in Lower Secondary School Level: A Case Study of Selected Schools in Rubavu District, Rwanda”. African Journal of Empirical Research, vol. 5, no. 3, Aug. 2024, pp. 571-87, https://doi.org/10.51867/ajernet.5.3.50.