Литвин, О. Ю., and О. П. Панченко. “ECONOMIC IDEAS OF ANCIENT EGYPTIAN WORK ‘AHTOY’S PRECEPT, DUAUF’S SON, TO HIS SON PIOPY’”. Scientific Progress & Innovations, no. 3, Sept. 2014, pp. 132-4, doi:10.31210/visnyk2014.03.27.