ብርሃኑ ቦጋለ ተስፋዬ. “ስፌት ተኮር ትምእርታዊ ጉዳዮች ትንተና በደቡብ ወሎ ዞን የተመረጡ ወረዳዎች”. ZENA-LISSAN (Journal of Academy of Ethiopian Languages and Cultures), vol. 33, no. 2, Apr. 2025, pp. 1-29, https://ejol.aau.edu.et/index.php/JAELC/article/view/11597.