Improving operational model critical to promote co-operatives stockbot 0 14 05.13 10:02 https://vietnamnews.vn/economy/1655411/improving-operational-model-cri… + 2 https://vietnamnews.vn/rss/economy.rss + 1 Việt Nam aims to have at least three cooperatives in the list of the 300 largest cooperatives in the world.