Makalela, Leketi (2009). "Harmonizing South African Sotho Language Varieties: Lessons From Reading Proficiency Assessment". International Multilingual Research Journal. 3 (2): 120–133. doi:10.1080/19313150903073489. S2CID143275863.
Makalela, Leketi (2009). "Harmonizing South African Sotho Language Varieties: Lessons From Reading Proficiency Assessment". International Multilingual Research Journal. 3 (2): 120–133. doi:10.1080/19313150903073489. S2CID143275863.