Why piece work in the U.S.S.R.?
Е-8/762 - 3000 экз./английский/Why piece work in the U.S.S.R.? / By L. Kaufman.Why piece work in the U.S.S.R.? / By L. Kaufman.Why piece work in the U.S.S.R.?.Moscow/Co-operative publishing society of foreign workers in the USSR/, 1932 ( : International press.). - Co-operative publishing society of foreign workers in the USSR, 1932. - 56 с. ; 17х12 см см.Why piece work in the U.S.S.R.?. Moscow, 1932 (International press.).Kaufman ./