Beyene T. á‰ á‰£áˆ…áˆ áˆ•áŠáˆáŠ“ á‹•á‹á‰€á‰µ á‹¨áˆ•áˆ˜áˆ áˆ˜áŠ•áˆµáŠ¤ áŠ¥áˆ³á‰¤áŠ“ áˆ˜áˆˆáŠ¨áŠá‹« á‹á‹‰á‹¶á‰½ á‰ á‹°á‰¡á‰¥ áŒŽáŠ•á‹°áˆ á‹žáŠ• áˆ›áŠ…á‰ áˆ¨áˆ°á‰¥. EJLCC [Internet]. 2023Dec.4 [cited 2025Oct.12];7(1):92-119. Available from: http://journals.bdu.edu.et/index.php/EJLCC/article/view/1548