Lusekelo, Amani. 2021. “Swahili and English Sell, But What About Iraqw and Sukuma? Tanzanian Native Languages and Ethnic Affiliations In Bottom-Up Commercial Signage ”. Journal of Education, Humanities & Science (JEHS) 10 (1). http://jehs.duce.ac.tz/index.php/jehs/article/view/92.