@book{ BA03664328, author = "Johnson, D. Gale (David Gale) and Schuh, George Edward", title = "The role of markets in the world food economy", publisher = "Westview Press", year = "1983", series = "Westview special studies in agriculture science and policy", number = "", URL = "https://ci.nii.ac.jp/ncid/BA03664328" }