ረቂቅ የግዥ መመሪያ
http://www.poessa.gov.et/EN/wp-content/uploads/2024/03/%E1%88%A8%E1%89%82%E1%89%85-%E1%8B%A8%E1%8C%8D%E1%8B%A5-%E1%88%98%E1%88%98%E1%88%AA%E1%8B%AB-1.docx
http://www.poessa.gov.et/EN/wp-content/uploads/2024/03/%E1%88%A8%E1%89%82%E1%89%85-%E1%8B%A8%E1%8C%8D%E1%8B%A5-%E1%88%98%E1%88%98%E1%88%AA%E1%8B%AB-1.docx