G.Mariam, W.Micael. “AN ANALYSIS OF AGE-SEX DATA OF ETHIOPIA IN THE PRE-1984 PERIOD”. Ethiopian Journal of Development Research 11, no. 2 (February 7, 2024): 1–27. Accessed November 25, 2024. http://ejol.aau.edu.et/index.php/EJDR/article/view/9583.