2024-07-252024-07-251999https://drs.ess.gov.et/handle/123456789/1385amየ1999_አገር_አቀፍ_የሕዝብ_ቆጠራድርጅታዊ መዋቅርና ተግባርና ኀላፊነት ህዳር 1999Bulletin