Ewnetu AA. á‹“áˆˆáˆ›á‹¨áˆ á‹‹áˆ´ áŠ¥áˆ¸á‰´á£áŠ¥áˆ˜áŒ“á¡á¡ áˆ°áŠ” 2007 á‹“.áˆ.á£ á‹¨áŒˆáŒ½ á‰¥á‹›á‰µá¡ 204. EJLCC [Internet]. 2022Jul.11 [cited 2025Sep.9];2(1):78-6. Available from: http://journals.bdu.edu.et/index.php/EJLCC/article/view/1069