Voykov was summoned to Moscow .
Voykov was worked in the distribution department of People 's Commissariat for Food Supplies until July 1919 , when he was sent to work in Central Union of Consumer Cooperatives ( Tsentrosoyuz ) .
Voykov was summoned to Moscow and worked in the distribution department of People 's Commissariat for Food Supplies until July 1919 , when he was sent to work in Central Union of Consumer Cooperatives ( Tsentrosoyuz ) .