Voprosy ekonomiki selʹskogo khoziaistva Chuvashskoi ASSR

by V. A. Andreev, Chuvashskai︠a︡ A.S.S.R. (R.S.F.S.R.). Nauchno-issledovatelʹskiĭ institut i︠a︡zyka, literatury, istorii i ėkonomiki